Home / 8,260.92-12,393.18-3,330.72

Finding the Fourth Proportional to 8,260.92, 12,393.18 and 3,330.72

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Solution

The fourth proportional to 8,260.92, 12,393.18 and 3,330.72 is: 4,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.92 : 12,393.18 = 3,330.72 : x
  2. Step 2: Convert to fraction form
    8,260.92/12,393.18 = 3,330.72/x
  3. Step 3: Cross multiply
    8,260.92x = 12,393.18 × 3,330.72
  4. Step 4: Simplify right side
    8,260.92x = 41,278,212.49
  5. Step 5: Solve for x
    x = 41,278,212.49/8,260.92
  6. Step 6: Final answer
    x = 4,996.81

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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.