Home / 8,087.38-12,131.43-2,243.86

Finding the Fourth Proportional to 8,087.38, 12,131.43 and 2,243.86

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Solution

The fourth proportional to 8,087.38, 12,131.43 and 2,243.86 is: 3,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.38 : 12,131.43 = 2,243.86 : x
  2. Step 2: Convert to fraction form
    8,087.38/12,131.43 = 2,243.86/x
  3. Step 3: Cross multiply
    8,087.38x = 12,131.43 × 2,243.86
  4. Step 4: Simplify right side
    8,087.38x = 27,221,230.52
  5. Step 5: Solve for x
    x = 27,221,230.52/8,087.38
  6. Step 6: Final answer
    x = 3,365.89

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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.