Home / 5,251.38-7,877.19-1,553.61

Finding the Fourth Proportional to 5,251.38, 7,877.19 and 1,553.61

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Solution

The fourth proportional to 5,251.38, 7,877.19 and 1,553.61 is: 2,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.38 : 7,877.19 = 1,553.61 : x
  2. Step 2: Convert to fraction form
    5,251.38/7,877.19 = 1,553.61/x
  3. Step 3: Cross multiply
    5,251.38x = 7,877.19 × 1,553.61
  4. Step 4: Simplify right side
    5,251.38x = 12,238,081.16
  5. Step 5: Solve for x
    x = 12,238,081.16/5,251.38
  6. Step 6: Final answer
    x = 2,330.45

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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.