Home / 8,149.31-12,217.96-2,599.46

Finding the Fourth Proportional to 8,149.31, 12,217.96 and 2,599.46

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Solution

The fourth proportional to 8,149.31, 12,217.96 and 2,599.46 is: 3,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.31 : 12,217.96 = 2,599.46 : x
  2. Step 2: Convert to fraction form
    8,149.31/12,217.96 = 2,599.46/x
  3. Step 3: Cross multiply
    8,149.31x = 12,217.96 × 2,599.46
  4. Step 4: Simplify right side
    8,149.31x = 31,760,098.30
  5. Step 5: Solve for x
    x = 31,760,098.30/8,149.31
  6. Step 6: Final answer
    x = 3,897.27

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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.