Home / 8,335.28-12,512.69-6,581.46

Finding the Fourth Proportional to 8,335.28, 12,512.69 and 6,581.46

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Solution

The fourth proportional to 8,335.28, 12,512.69 and 6,581.46 is: 9,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.28 : 12,512.69 = 6,581.46 : x
  2. Step 2: Convert to fraction form
    8,335.28/12,512.69 = 6,581.46/x
  3. Step 3: Cross multiply
    8,335.28x = 12,512.69 × 6,581.46
  4. Step 4: Simplify right side
    8,335.28x = 82,351,737.04
  5. Step 5: Solve for x
    x = 82,351,737.04/8,335.28
  6. Step 6: Final answer
    x = 9,879.90

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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.