Home / 6,458.13-9,691.45-3,538.49

Finding the Fourth Proportional to 6,458.13, 9,691.45 and 3,538.49

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Solution

The fourth proportional to 6,458.13, 9,691.45 and 3,538.49 is: 5,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.13 : 9,691.45 = 3,538.49 : x
  2. Step 2: Convert to fraction form
    6,458.13/9,691.45 = 3,538.49/x
  3. Step 3: Cross multiply
    6,458.13x = 9,691.45 × 3,538.49
  4. Step 4: Simplify right side
    6,458.13x = 34,293,041.61
  5. Step 5: Solve for x
    x = 34,293,041.61/6,458.13
  6. Step 6: Final answer
    x = 5,310.06

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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.