Solving Proportion Problems

Question 1:

x and y are in direct proportion. When x = 1, y = 8, find y when
x = 7.

56

Question 2:

x and y are in direct proportion. When x = 8, y = 24, find y when
x = 7.

21

Question 3:

x and y are in direct proportion. When x = 2, y = 26, find y when
x = 11.

143

Question 4:

x and y are in direct proportion. When x = 11, y = 77, find y when
x = 5.

35