Home / 7,747.92-11,620.13-2,199.69

Finding the Fourth Proportional to 7,747.92, 11,620.13 and 2,199.69

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Solution

The fourth proportional to 7,747.92, 11,620.13 and 2,199.69 is: 3,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.92 : 11,620.13 = 2,199.69 : x
  2. Step 2: Convert to fraction form
    7,747.92/11,620.13 = 2,199.69/x
  3. Step 3: Cross multiply
    7,747.92x = 11,620.13 × 2,199.69
  4. Step 4: Simplify right side
    7,747.92x = 25,560,672.76
  5. Step 5: Solve for x
    x = 25,560,672.76/7,747.92
  6. Step 6: Final answer
    x = 3,299.04

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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.