Home / 8,233.20-12,335.04-6,279.36

Finding the Fourth Proportional to 8,233.20, 12,335.04 and 6,279.36

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Solution

The fourth proportional to 8,233.20, 12,335.04 and 6,279.36 is: 9,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,233.20 : 12,335.04 = 6,279.36 : x
  2. Step 2: Convert to fraction form
    8,233.20/12,335.04 = 6,279.36/x
  3. Step 3: Cross multiply
    8,233.20x = 12,335.04 × 6,279.36
  4. Step 4: Simplify right side
    8,233.20x = 77,456,156.77
  5. Step 5: Solve for x
    x = 77,456,156.77/8,233.20
  6. Step 6: Final answer
    x = 9,407.78

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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.