Home / 8,021.38-12,031.86-2,177.83

Finding the Fourth Proportional to 8,021.38, 12,031.86 and 2,177.83

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Solution

The fourth proportional to 8,021.38, 12,031.86 and 2,177.83 is: 3,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.38 : 12,031.86 = 2,177.83 : x
  2. Step 2: Convert to fraction form
    8,021.38/12,031.86 = 2,177.83/x
  3. Step 3: Cross multiply
    8,021.38x = 12,031.86 × 2,177.83
  4. Step 4: Simplify right side
    8,021.38x = 26,203,345.66
  5. Step 5: Solve for x
    x = 26,203,345.66/8,021.38
  6. Step 6: Final answer
    x = 3,266.69

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Similar ratio
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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.