Home / 6,077.86-8,387.24-3,425.20

Finding the Fourth Proportional to 6,077.86, 8,387.24 and 3,425.20

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Solution

The fourth proportional to 6,077.86, 8,387.24 and 3,425.20 is: 4,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.86 : 8,387.24 = 3,425.20 : x
  2. Step 2: Convert to fraction form
    6,077.86/8,387.24 = 3,425.20/x
  3. Step 3: Cross multiply
    6,077.86x = 8,387.24 × 3,425.20
  4. Step 4: Simplify right side
    6,077.86x = 28,727,974.45
  5. Step 5: Solve for x
    x = 28,727,974.45/6,077.86
  6. Step 6: Final answer
    x = 4,726.66

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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.