Home / 8,652.19-12,983.20-3,387.62

Finding the Fourth Proportional to 8,652.19, 12,983.20 and 3,387.62

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Solution

The fourth proportional to 8,652.19, 12,983.20 and 3,387.62 is: 5,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.19 : 12,983.20 = 3,387.62 : x
  2. Step 2: Convert to fraction form
    8,652.19/12,983.20 = 3,387.62/x
  3. Step 3: Cross multiply
    8,652.19x = 12,983.20 × 3,387.62
  4. Step 4: Simplify right side
    8,652.19x = 43,982,147.98
  5. Step 5: Solve for x
    x = 43,982,147.98/8,652.19
  6. Step 6: Final answer
    x = 5,083.35

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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.