Finding the Fourth Proportional to 10,418.98, 15,629.20 and 3,845.62
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Solution
The fourth proportional to 10,418.98, 15,629.20 and 3,845.62 is: 5,768.70
Step by Step Solution
- Step 1: Write the proportion equation
10,418.98 : 15,629.20 = 3,845.62 : x - Step 2: Convert to fraction form
10,418.98/15,629.20 = 3,845.62/x - Step 3: Cross multiply
10,418.98x = 15,629.20 × 3,845.62 - Step 4: Simplify right side
10,418.98x = 60,103,964.10 - Step 5: Solve for x
x = 60,103,964.10/10,418.98 - Step 6: Final answer
x = 5,768.70
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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.