Home / 8,324.08-12,488.24-2,480.72

Finding the Fourth Proportional to 8,324.08, 12,488.24 and 2,480.72

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Solution

The fourth proportional to 8,324.08, 12,488.24 and 2,480.72 is: 3,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.08 : 12,488.24 = 2,480.72 : x
  2. Step 2: Convert to fraction form
    8,324.08/12,488.24 = 2,480.72/x
  3. Step 3: Cross multiply
    8,324.08x = 12,488.24 × 2,480.72
  4. Step 4: Simplify right side
    8,324.08x = 30,979,826.73
  5. Step 5: Solve for x
    x = 30,979,826.73/8,324.08
  6. Step 6: Final answer
    x = 3,721.71

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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.