Home / 7,432.60-11,142.34-3,729.52

Finding the Fourth Proportional to 7,432.60, 11,142.34 and 3,729.52

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Solution

The fourth proportional to 7,432.60, 11,142.34 and 3,729.52 is: 5,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.60 : 11,142.34 = 3,729.52 : x
  2. Step 2: Convert to fraction form
    7,432.60/11,142.34 = 3,729.52/x
  3. Step 3: Cross multiply
    7,432.60x = 11,142.34 × 3,729.52
  4. Step 4: Simplify right side
    7,432.60x = 41,555,579.88
  5. Step 5: Solve for x
    x = 41,555,579.88/7,432.60
  6. Step 6: Final answer
    x = 5,590.99

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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.