Home / 8,279.26-12,418.92-2,039.42

Finding the Fourth Proportional to 8,279.26, 12,418.92 and 2,039.42

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Solution

The fourth proportional to 8,279.26, 12,418.92 and 2,039.42 is: 3,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.26 : 12,418.92 = 2,039.42 : x
  2. Step 2: Convert to fraction form
    8,279.26/12,418.92 = 2,039.42/x
  3. Step 3: Cross multiply
    8,279.26x = 12,418.92 × 2,039.42
  4. Step 4: Simplify right side
    8,279.26x = 25,327,321.53
  5. Step 5: Solve for x
    x = 25,327,321.53/8,279.26
  6. Step 6: Final answer
    x = 3,059.13

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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.