Home / 7,519.68-11,286.12-3,575.76

Finding the Fourth Proportional to 7,519.68, 11,286.12 and 3,575.76

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Solution

The fourth proportional to 7,519.68, 11,286.12 and 3,575.76 is: 5,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.68 : 11,286.12 = 3,575.76 : x
  2. Step 2: Convert to fraction form
    7,519.68/11,286.12 = 3,575.76/x
  3. Step 3: Cross multiply
    7,519.68x = 11,286.12 × 3,575.76
  4. Step 4: Simplify right side
    7,519.68x = 40,356,456.45
  5. Step 5: Solve for x
    x = 40,356,456.45/7,519.68
  6. Step 6: Final answer
    x = 5,366.78

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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.