Home / 5,425.62-8,135.19-2,654.34

Finding the Fourth Proportional to 5,425.62, 8,135.19 and 2,654.34

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Solution

The fourth proportional to 5,425.62, 8,135.19 and 2,654.34 is: 3,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.62 : 8,135.19 = 2,654.34 : x
  2. Step 2: Convert to fraction form
    5,425.62/8,135.19 = 2,654.34/x
  3. Step 3: Cross multiply
    5,425.62x = 8,135.19 × 2,654.34
  4. Step 4: Simplify right side
    5,425.62x = 21,593,560.22
  5. Step 5: Solve for x
    x = 21,593,560.22/5,425.62
  6. Step 6: Final answer
    x = 3,979.92

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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.