Finding the Fourth Proportional to 10,629.12, 15,945.12 and 3,702
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Solution
The fourth proportional to 10,629.12, 15,945.12 and 3,702 is: 5,553.50
Step by Step Solution
- Step 1: Write the proportion equation
10,629.12 : 15,945.12 = 3,702 : x - Step 2: Convert to fraction form
10,629.12/15,945.12 = 3,702/x - Step 3: Cross multiply
10,629.12x = 15,945.12 × 3,702 - Step 4: Simplify right side
10,629.12x = 59,028,834.24 - Step 5: Solve for x
x = 59,028,834.24/10,629.12 - Step 6: Final answer
x = 5,553.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.