Home / 8,507.20-12,761.64-2,663.92

Finding the Fourth Proportional to 8,507.20, 12,761.64 and 2,663.92

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Solution

The fourth proportional to 8,507.20, 12,761.64 and 2,663.92 is: 3,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.20 : 12,761.64 = 2,663.92 : x
  2. Step 2: Convert to fraction form
    8,507.20/12,761.64 = 2,663.92/x
  3. Step 3: Cross multiply
    8,507.20x = 12,761.64 × 2,663.92
  4. Step 4: Simplify right side
    8,507.20x = 33,995,988.03
  5. Step 5: Solve for x
    x = 33,995,988.03/8,507.20
  6. Step 6: Final answer
    x = 3,996.14

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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.