Home / 8,691.44-13,037.34-2,117.66

Finding the Fourth Proportional to 8,691.44, 13,037.34 and 2,117.66

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Solution

The fourth proportional to 8,691.44, 13,037.34 and 2,117.66 is: 3,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.44 : 13,037.34 = 2,117.66 : x
  2. Step 2: Convert to fraction form
    8,691.44/13,037.34 = 2,117.66/x
  3. Step 3: Cross multiply
    8,691.44x = 13,037.34 × 2,117.66
  4. Step 4: Simplify right side
    8,691.44x = 27,608,653.42
  5. Step 5: Solve for x
    x = 27,608,653.42/8,691.44
  6. Step 6: Final answer
    x = 3,176.53

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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.