Home / 7,538.76-11,310.34-3,377.84

Finding the Fourth Proportional to 7,538.76, 11,310.34 and 3,377.84

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Solution

The fourth proportional to 7,538.76, 11,310.34 and 3,377.84 is: 5,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.76 : 11,310.34 = 3,377.84 : x
  2. Step 2: Convert to fraction form
    7,538.76/11,310.34 = 3,377.84/x
  3. Step 3: Cross multiply
    7,538.76x = 11,310.34 × 3,377.84
  4. Step 4: Simplify right side
    7,538.76x = 38,204,518.87
  5. Step 5: Solve for x
    x = 38,204,518.87/7,538.76
  6. Step 6: Final answer
    x = 5,067.75

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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.