Home / 8,129.44-12,194.15-2,286.05

Finding the Fourth Proportional to 8,129.44, 12,194.15 and 2,286.05

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Solution

The fourth proportional to 8,129.44, 12,194.15 and 2,286.05 is: 3,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.44 : 12,194.15 = 2,286.05 : x
  2. Step 2: Convert to fraction form
    8,129.44/12,194.15 = 2,286.05/x
  3. Step 3: Cross multiply
    8,129.44x = 12,194.15 × 2,286.05
  4. Step 4: Simplify right side
    8,129.44x = 27,876,377.07
  5. Step 5: Solve for x
    x = 27,876,377.07/8,129.44
  6. Step 6: Final answer
    x = 3,429.07

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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.