Home / 8,083.45-12,125.13-2,239.90

Finding the Fourth Proportional to 8,083.45, 12,125.13 and 2,239.90

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Solution

The fourth proportional to 8,083.45, 12,125.13 and 2,239.90 is: 3,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.45 : 12,125.13 = 2,239.90 : x
  2. Step 2: Convert to fraction form
    8,083.45/12,125.13 = 2,239.90/x
  3. Step 3: Cross multiply
    8,083.45x = 12,125.13 × 2,239.90
  4. Step 4: Simplify right side
    8,083.45x = 27,159,078.69
  5. Step 5: Solve for x
    x = 27,159,078.69/8,083.45
  6. Step 6: Final answer
    x = 3,359.84

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1.5x scale

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.