Home / 5,251.52-7,877.44-2,654.72

Finding the Fourth Proportional to 5,251.52, 7,877.44 and 2,654.72

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Solution

The fourth proportional to 5,251.52, 7,877.44 and 2,654.72 is: 3,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.52 : 7,877.44 = 2,654.72 : x
  2. Step 2: Convert to fraction form
    5,251.52/7,877.44 = 2,654.72/x
  3. Step 3: Cross multiply
    5,251.52x = 7,877.44 × 2,654.72
  4. Step 4: Simplify right side
    5,251.52x = 20,912,397.52
  5. Step 5: Solve for x
    x = 20,912,397.52/5,251.52
  6. Step 6: Final answer
    x = 3,982.16

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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.