A tree casts a shadow that is 11.2 m long at the same time that a 4.0 m pole casts a shadow that is 1.4 m long. How tall is the tree?

Question

A tree casts a shadow that is 11.2 m long at the same time that a 4.0 m pole casts a shadow that is 1.4 m long. How tall is the tree?

Answer 1

t represents the height of the tree

t : 4 :: 11.2 : 1.4    proportion

1.4t = 4(11.2)       product means/extremes

 

Can you solve for t?