Proportional Tables Worksheets Grade 7

1. x | y 2 | 18 4 | 36 6 | 54 8 | ? 10 | 90 Is this table proportional? If yes, find the constant of proportionality k and the missing y-value.
2. x | y 5 | 25 10 | 50 15 | 75 20 | 100 25 | ?
3. If y = 3x, what is y when x = 7?

…and 4 more problems

1. A construction company needs to mix concrete using a proportional relationship between cement and sand. The table shows that 8 bags of cement are mixed with 24 bags of sand for a small project, and 12 bags of cement are mixed with 36 bags of sand for a medium project. If they need to use 30 bags of cement for a large project, how many bags of sand should they use to maintain the same mixture ratio?
2. Sophia is organizing a school fundraiser where she sells homemade candles. She notices that the cost of wax is proportional to the number of candles she makes. The table below shows the relationship between the number of candles and the cost of wax. If Sophia wants to make 50 candles, how much will the wax cost? | Number of Candles | Cost of Wax (dollars) | |-------------------|----------------------| | 8 | 44 | | 12 | 66 | | 20 | 110 |
3. x | y 1 | 16 3 | 48 5 | 80 7 | ? 9 | 144 Complete the table for the proportional relationship. Find the missing value of y when x = 7.

…and 4 more problems

1. x | y 2 | 34 7 | 119 12 | 204 17 | ? 22 | 374 If the table shows a proportional relationship, find the missing value of y when x = 17.
2. Charlotte is organizing a school field trip and needs to rent buses. The bus company charges a proportional rate based on the number of buses rented. The table below shows the cost for renting different numbers of buses. If Charlotte needs to rent 11 buses for the entire grade, what will be the total cost? | Number of Buses | Total Cost ($) | |-----------------|----------------| | 3 | 450 | | 5 | 750 | | 8 | 1200 |
3. Aroha is a beekeeper who tracks the relationship between the number of beehives she has and the kilograms of honey produced each season. The table below shows the honey production from her beehives. If the relationship is proportional, how many kilograms of honey will Aroha produce from 27 beehives? | Number of Beehives | Honey Produced (kg) | |--------------------|---------------------| | 3 | 21 | | 5 | 35 | | 9 | 63 |

…and 4 more problems