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Finding the Fourth Proportional to 8,042.58, 12,063.87 and 5,286.69

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Solution

The fourth proportional to 8,042.58, 12,063.87 and 5,286.69 is: 7,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.58 : 12,063.87 = 5,286.69 : x
  2. Step 2: Convert to fraction form
    8,042.58/12,063.87 = 5,286.69/x
  3. Step 3: Cross multiply
    8,042.58x = 12,063.87 × 5,286.69
  4. Step 4: Simplify right side
    8,042.58x = 63,777,940.89
  5. Step 5: Solve for x
    x = 63,777,940.89/8,042.58
  6. Step 6: Final answer
    x = 7,930.04

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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.