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Finding the Fourth Proportional to 7,793.92, 11,708.08 and 6,757.12

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Solution

The fourth proportional to 7,793.92, 11,708.08 and 6,757.12 is: 10,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.92 : 11,708.08 = 6,757.12 : x
  2. Step 2: Convert to fraction form
    7,793.92/11,708.08 = 6,757.12/x
  3. Step 3: Cross multiply
    7,793.92x = 11,708.08 × 6,757.12
  4. Step 4: Simplify right side
    7,793.92x = 79,112,901.53
  5. Step 5: Solve for x
    x = 79,112,901.53/7,793.92
  6. Step 6: Final answer
    x = 10,150.59

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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.