Home / 8,791.28-13,186.92-2,217.98

Finding the Fourth Proportional to 8,791.28, 13,186.92 and 2,217.98

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Solution

The fourth proportional to 8,791.28, 13,186.92 and 2,217.98 is: 3,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.28 : 13,186.92 = 2,217.98 : x
  2. Step 2: Convert to fraction form
    8,791.28/13,186.92 = 2,217.98/x
  3. Step 3: Cross multiply
    8,791.28x = 13,186.92 × 2,217.98
  4. Step 4: Simplify right side
    8,791.28x = 29,248,324.82
  5. Step 5: Solve for x
    x = 29,248,324.82/8,791.28
  6. Step 6: Final answer
    x = 3,326.97

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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.