Home / 8,189.64-12,286.22-2,924.91

Finding the Fourth Proportional to 8,189.64, 12,286.22 and 2,924.91

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Solution

The fourth proportional to 8,189.64, 12,286.22 and 2,924.91 is: 4,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.64 : 12,286.22 = 2,924.91 : x
  2. Step 2: Convert to fraction form
    8,189.64/12,286.22 = 2,924.91/x
  3. Step 3: Cross multiply
    8,189.64x = 12,286.22 × 2,924.91
  4. Step 4: Simplify right side
    8,189.64x = 35,936,073.12
  5. Step 5: Solve for x
    x = 35,936,073.12/8,189.64
  6. Step 6: Final answer
    x = 4,387.99

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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.