Home / 8,221.19-12,329.13-2,673.18

Finding the Fourth Proportional to 8,221.19, 12,329.13 and 2,673.18

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Solution

The fourth proportional to 8,221.19, 12,329.13 and 2,673.18 is: 4,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.19 : 12,329.13 = 2,673.18 : x
  2. Step 2: Convert to fraction form
    8,221.19/12,329.13 = 2,673.18/x
  3. Step 3: Cross multiply
    8,221.19x = 12,329.13 × 2,673.18
  4. Step 4: Simplify right side
    8,221.19x = 32,957,983.73
  5. Step 5: Solve for x
    x = 32,957,983.73/8,221.19
  6. Step 6: Final answer
    x = 4,008.91

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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.