Home / 7,691.27-11,536.94-2,144.61

Finding the Fourth Proportional to 7,691.27, 11,536.94 and 2,144.61

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Solution

The fourth proportional to 7,691.27, 11,536.94 and 2,144.61 is: 3,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.27 : 11,536.94 = 2,144.61 : x
  2. Step 2: Convert to fraction form
    7,691.27/11,536.94 = 2,144.61/x
  3. Step 3: Cross multiply
    7,691.27x = 11,536.94 × 2,144.61
  4. Step 4: Simplify right side
    7,691.27x = 24,742,236.89
  5. Step 5: Solve for x
    x = 24,742,236.89/7,691.27
  6. Step 6: Final answer
    x = 3,216.92

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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.