Home / 8,031.92-12,047.48-4,081.96

Finding the Fourth Proportional to 8,031.92, 12,047.48 and 4,081.96

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Solution

The fourth proportional to 8,031.92, 12,047.48 and 4,081.96 is: 6,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.92 : 12,047.48 = 4,081.96 : x
  2. Step 2: Convert to fraction form
    8,031.92/12,047.48 = 4,081.96/x
  3. Step 3: Cross multiply
    8,031.92x = 12,047.48 × 4,081.96
  4. Step 4: Simplify right side
    8,031.92x = 49,177,331.46
  5. Step 5: Solve for x
    x = 49,177,331.46/8,031.92
  6. Step 6: Final answer
    x = 6,122.74

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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.