Home / 10,270.91-15,408.68-3,251.35

Finding the Fourth Proportional to 10,270.91, 15,408.68 and 3,251.35

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Solution

The fourth proportional to 10,270.91, 15,408.68 and 3,251.35 is: 4,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.91 : 15,408.68 = 3,251.35 : x
  2. Step 2: Convert to fraction form
    10,270.91/15,408.68 = 3,251.35/x
  3. Step 3: Cross multiply
    10,270.91x = 15,408.68 × 3,251.35
  4. Step 4: Simplify right side
    10,270.91x = 50,098,982.82
  5. Step 5: Solve for x
    x = 50,098,982.82/10,270.91
  6. Step 6: Final answer
    x = 4,877.75

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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.