Home / 8,614.20-12,921.71-3,067.59

Finding the Fourth Proportional to 8,614.20, 12,921.71 and 3,067.59

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Solution

The fourth proportional to 8,614.20, 12,921.71 and 3,067.59 is: 4,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.20 : 12,921.71 = 3,067.59 : x
  2. Step 2: Convert to fraction form
    8,614.20/12,921.71 = 3,067.59/x
  3. Step 3: Cross multiply
    8,614.20x = 12,921.71 × 3,067.59
  4. Step 4: Simplify right side
    8,614.20x = 39,638,493.04
  5. Step 5: Solve for x
    x = 39,638,493.04/8,614.20
  6. Step 6: Final answer
    x = 4,601.53

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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.