Home / 8,481.22-12,717.14-3,805.71

Finding the Fourth Proportional to 8,481.22, 12,717.14 and 3,805.71

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Solution

The fourth proportional to 8,481.22, 12,717.14 and 3,805.71 is: 5,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.22 : 12,717.14 = 3,805.71 : x
  2. Step 2: Convert to fraction form
    8,481.22/12,717.14 = 3,805.71/x
  3. Step 3: Cross multiply
    8,481.22x = 12,717.14 × 3,805.71
  4. Step 4: Simplify right side
    8,481.22x = 48,397,715.92
  5. Step 5: Solve for x
    x = 48,397,715.92/8,481.22
  6. Step 6: Final answer
    x = 5,706.45

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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.