Home / 7,388.60-11,073.66-3,691.86

Finding the Fourth Proportional to 7,388.60, 11,073.66 and 3,691.86

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Solution

The fourth proportional to 7,388.60, 11,073.66 and 3,691.86 is: 5,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.60 : 11,073.66 = 3,691.86 : x
  2. Step 2: Convert to fraction form
    7,388.60/11,073.66 = 3,691.86/x
  3. Step 3: Cross multiply
    7,388.60x = 11,073.66 × 3,691.86
  4. Step 4: Simplify right side
    7,388.60x = 40,882,402.41
  5. Step 5: Solve for x
    x = 40,882,402.41/7,388.60
  6. Step 6: Final answer
    x = 5,533.17

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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.