Home / 7,519.92-11,279.82-5,877.84

Finding the Fourth Proportional to 7,519.92, 11,279.82 and 5,877.84

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Solution

The fourth proportional to 7,519.92, 11,279.82 and 5,877.84 is: 8,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.92 : 11,279.82 = 5,877.84 : x
  2. Step 2: Convert to fraction form
    7,519.92/11,279.82 = 5,877.84/x
  3. Step 3: Cross multiply
    7,519.92x = 11,279.82 × 5,877.84
  4. Step 4: Simplify right side
    7,519.92x = 66,300,977.19
  5. Step 5: Solve for x
    x = 66,300,977.19/7,519.92
  6. Step 6: Final answer
    x = 8,816.71

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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.