Home / 7,691.34-11,541.60-3,308.70

Finding the Fourth Proportional to 7,691.34, 11,541.60 and 3,308.70

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Solution

The fourth proportional to 7,691.34, 11,541.60 and 3,308.70 is: 4,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.34 : 11,541.60 = 3,308.70 : x
  2. Step 2: Convert to fraction form
    7,691.34/11,541.60 = 3,308.70/x
  3. Step 3: Cross multiply
    7,691.34x = 11,541.60 × 3,308.70
  4. Step 4: Simplify right side
    7,691.34x = 38,187,691.92
  5. Step 5: Solve for x
    x = 38,187,691.92/7,691.34
  6. Step 6: Final answer
    x = 4,965.02

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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.