Home / 7,519.05-11,278.20-2,588.70

Finding the Fourth Proportional to 7,519.05, 11,278.20 and 2,588.70

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Solution

The fourth proportional to 7,519.05, 11,278.20 and 2,588.70 is: 3,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.05 : 11,278.20 = 2,588.70 : x
  2. Step 2: Convert to fraction form
    7,519.05/11,278.20 = 2,588.70/x
  3. Step 3: Cross multiply
    7,519.05x = 11,278.20 × 2,588.70
  4. Step 4: Simplify right side
    7,519.05x = 29,195,876.34
  5. Step 5: Solve for x
    x = 29,195,876.34/7,519.05
  6. Step 6: Final answer
    x = 3,882.92

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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.