Home / 8,247.09-11,375.82-5,414.61

Finding the Fourth Proportional to 8,247.09, 11,375.82 and 5,414.61

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Solution

The fourth proportional to 8,247.09, 11,375.82 and 5,414.61 is: 7,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.09 : 11,375.82 = 5,414.61 : x
  2. Step 2: Convert to fraction form
    8,247.09/11,375.82 = 5,414.61/x
  3. Step 3: Cross multiply
    8,247.09x = 11,375.82 × 5,414.61
  4. Step 4: Simplify right side
    8,247.09x = 61,595,628.73
  5. Step 5: Solve for x
    x = 61,595,628.73/8,247.09
  6. Step 6: Final answer
    x = 7,468.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.