Home / 8,324.20-12,484.92-2,479.44

Finding the Fourth Proportional to 8,324.20, 12,484.92 and 2,479.44

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Solution

The fourth proportional to 8,324.20, 12,484.92 and 2,479.44 is: 3,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.20 : 12,484.92 = 2,479.44 : x
  2. Step 2: Convert to fraction form
    8,324.20/12,484.92 = 2,479.44/x
  3. Step 3: Cross multiply
    8,324.20x = 12,484.92 × 2,479.44
  4. Step 4: Simplify right side
    8,324.20x = 30,955,610.04
  5. Step 5: Solve for x
    x = 30,955,610.04/8,324.20
  6. Step 6: Final answer
    x = 3,718.75

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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.