Home / 7,747.05-11,611.05-3,581.42

Finding the Fourth Proportional to 7,747.05, 11,611.05 and 3,581.42

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Solution

The fourth proportional to 7,747.05, 11,611.05 and 3,581.42 is: 5,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.05 : 11,611.05 = 3,581.42 : x
  2. Step 2: Convert to fraction form
    7,747.05/11,611.05 = 3,581.42/x
  3. Step 3: Cross multiply
    7,747.05x = 11,611.05 × 3,581.42
  4. Step 4: Simplify right side
    7,747.05x = 41,584,046.69
  5. Step 5: Solve for x
    x = 41,584,046.69/7,747.05
  6. Step 6: Final answer
    x = 5,367.73

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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.