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Finding the Fourth Proportional to 4,265.40, 6,398.10 and 3,755.10

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Solution

The fourth proportional to 4,265.40, 6,398.10 and 3,755.10 is: 5,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.40 : 6,398.10 = 3,755.10 : x
  2. Step 2: Convert to fraction form
    4,265.40/6,398.10 = 3,755.10/x
  3. Step 3: Cross multiply
    4,265.40x = 6,398.10 × 3,755.10
  4. Step 4: Simplify right side
    4,265.40x = 24,025,505.31
  5. Step 5: Solve for x
    x = 24,025,505.31/4,265.40
  6. Step 6: Final answer
    x = 5,632.65

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Similar ratio
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1.5x scale

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.