Home / 5,125.20-7,691.44-3,956.37

Finding the Fourth Proportional to 5,125.20, 7,691.44 and 3,956.37

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Solution

The fourth proportional to 5,125.20, 7,691.44 and 3,956.37 is: 5,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.20 : 7,691.44 = 3,956.37 : x
  2. Step 2: Convert to fraction form
    5,125.20/7,691.44 = 3,956.37/x
  3. Step 3: Cross multiply
    5,125.20x = 7,691.44 × 3,956.37
  4. Step 4: Simplify right side
    5,125.20x = 30,430,182.47
  5. Step 5: Solve for x
    x = 30,430,182.47/5,125.20
  6. Step 6: Final answer
    x = 5,937.36

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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.