Home / 6,077.61-8,387.28-3,425.13

Finding the Fourth Proportional to 6,077.61, 8,387.28 and 3,425.13

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Solution

The fourth proportional to 6,077.61, 8,387.28 and 3,425.13 is: 4,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.61 : 8,387.28 = 3,425.13 : x
  2. Step 2: Convert to fraction form
    6,077.61/8,387.28 = 3,425.13/x
  3. Step 3: Cross multiply
    6,077.61x = 8,387.28 × 3,425.13
  4. Step 4: Simplify right side
    6,077.61x = 28,727,524.35
  5. Step 5: Solve for x
    x = 28,727,524.35/6,077.61
  6. Step 6: Final answer
    x = 4,726.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.