Home / 8,691.58-13,039.19-2,847.73

Finding the Fourth Proportional to 8,691.58, 13,039.19 and 2,847.73

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Solution

The fourth proportional to 8,691.58, 13,039.19 and 2,847.73 is: 4,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.58 : 13,039.19 = 2,847.73 : x
  2. Step 2: Convert to fraction form
    8,691.58/13,039.19 = 2,847.73/x
  3. Step 3: Cross multiply
    8,691.58x = 13,039.19 × 2,847.73
  4. Step 4: Simplify right side
    8,691.58x = 37,132,092.54
  5. Step 5: Solve for x
    x = 37,132,092.54/8,691.58
  6. Step 6: Final answer
    x = 4,272.19

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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.