Home / 8,266.13-12,399.19-3,334.61

Finding the Fourth Proportional to 8,266.13, 12,399.19 and 3,334.61

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Solution

The fourth proportional to 8,266.13, 12,399.19 and 3,334.61 is: 5,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.13 : 12,399.19 = 3,334.61 : x
  2. Step 2: Convert to fraction form
    8,266.13/12,399.19 = 3,334.61/x
  3. Step 3: Cross multiply
    8,266.13x = 12,399.19 × 3,334.61
  4. Step 4: Simplify right side
    8,266.13x = 41,346,521.82
  5. Step 5: Solve for x
    x = 41,346,521.82/8,266.13
  6. Step 6: Final answer
    x = 5,001.92

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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.