Home / 8,652.31-12,982.56-5,149.24

Finding the Fourth Proportional to 8,652.31, 12,982.56 and 5,149.24

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Solution

The fourth proportional to 8,652.31, 12,982.56 and 5,149.24 is: 7,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.31 : 12,982.56 = 5,149.24 : x
  2. Step 2: Convert to fraction form
    8,652.31/12,982.56 = 5,149.24/x
  3. Step 3: Cross multiply
    8,652.31x = 12,982.56 × 5,149.24
  4. Step 4: Simplify right side
    8,652.31x = 66,850,317.25
  5. Step 5: Solve for x
    x = 66,850,317.25/8,652.31
  6. Step 6: Final answer
    x = 7,726.30

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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.