Home / 8,083.11-12,124.29-2,819.31

Finding the Fourth Proportional to 8,083.11, 12,124.29 and 2,819.31

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Solution

The fourth proportional to 8,083.11, 12,124.29 and 2,819.31 is: 4,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.11 : 12,124.29 = 2,819.31 : x
  2. Step 2: Convert to fraction form
    8,083.11/12,124.29 = 2,819.31/x
  3. Step 3: Cross multiply
    8,083.11x = 12,124.29 × 2,819.31
  4. Step 4: Simplify right side
    8,083.11x = 34,182,132.04
  5. Step 5: Solve for x
    x = 34,182,132.04/8,083.11
  6. Step 6: Final answer
    x = 4,228.83

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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.