Home / 8,908.34-12,291.26-5,132.61

Finding the Fourth Proportional to 8,908.34, 12,291.26 and 5,132.61

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Solution

The fourth proportional to 8,908.34, 12,291.26 and 5,132.61 is: 7,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.34 : 12,291.26 = 5,132.61 : x
  2. Step 2: Convert to fraction form
    8,908.34/12,291.26 = 5,132.61/x
  3. Step 3: Cross multiply
    8,908.34x = 12,291.26 × 5,132.61
  4. Step 4: Simplify right side
    8,908.34x = 63,086,218.33
  5. Step 5: Solve for x
    x = 63,086,218.33/8,908.34
  6. Step 6: Final answer
    x = 7,081.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.