Home / 8,414.52-12,618.81-3,481.98

Finding the Fourth Proportional to 8,414.52, 12,618.81 and 3,481.98

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Solution

The fourth proportional to 8,414.52, 12,618.81 and 3,481.98 is: 5,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.52 : 12,618.81 = 3,481.98 : x
  2. Step 2: Convert to fraction form
    8,414.52/12,618.81 = 3,481.98/x
  3. Step 3: Cross multiply
    8,414.52x = 12,618.81 × 3,481.98
  4. Step 4: Simplify right side
    8,414.52x = 43,938,444.04
  5. Step 5: Solve for x
    x = 43,938,444.04/8,414.52
  6. Step 6: Final answer
    x = 5,221.74

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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.