Home / 8,760.38-12,088.87-4,781.30

Finding the Fourth Proportional to 8,760.38, 12,088.87 and 4,781.30

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Solution

The fourth proportional to 8,760.38, 12,088.87 and 4,781.30 is: 6,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.38 : 12,088.87 = 4,781.30 : x
  2. Step 2: Convert to fraction form
    8,760.38/12,088.87 = 4,781.30/x
  3. Step 3: Cross multiply
    8,760.38x = 12,088.87 × 4,781.30
  4. Step 4: Simplify right side
    8,760.38x = 57,800,514.13
  5. Step 5: Solve for x
    x = 57,800,514.13/8,760.38
  6. Step 6: Final answer
    x = 6,597.95

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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.