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Finding the Fourth Proportional to 8,291.88, 12,437.73 and 2,448.54

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Solution

The fourth proportional to 8,291.88, 12,437.73 and 2,448.54 is: 3,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.88 : 12,437.73 = 2,448.54 : x
  2. Step 2: Convert to fraction form
    8,291.88/12,437.73 = 2,448.54/x
  3. Step 3: Cross multiply
    8,291.88x = 12,437.73 × 2,448.54
  4. Step 4: Simplify right side
    8,291.88x = 30,454,279.41
  5. Step 5: Solve for x
    x = 30,454,279.41/8,291.88
  6. Step 6: Final answer
    x = 3,672.78

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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.