Home / 5,240.38-7,849.79-2,769.99

Finding the Fourth Proportional to 5,240.38, 7,849.79 and 2,769.99

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Solution

The fourth proportional to 5,240.38, 7,849.79 and 2,769.99 is: 4,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.38 : 7,849.79 = 2,769.99 : x
  2. Step 2: Convert to fraction form
    5,240.38/7,849.79 = 2,769.99/x
  3. Step 3: Cross multiply
    5,240.38x = 7,849.79 × 2,769.99
  4. Step 4: Simplify right side
    5,240.38x = 21,743,839.80
  5. Step 5: Solve for x
    x = 21,743,839.80/5,240.38
  6. Step 6: Final answer
    x = 4,149.29

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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.