Home / 5,169.65-7,755.42-2,247.98

Finding the Fourth Proportional to 5,169.65, 7,755.42 and 2,247.98

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Solution

The fourth proportional to 5,169.65, 7,755.42 and 2,247.98 is: 3,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.65 : 7,755.42 = 2,247.98 : x
  2. Step 2: Convert to fraction form
    5,169.65/7,755.42 = 2,247.98/x
  3. Step 3: Cross multiply
    5,169.65x = 7,755.42 × 2,247.98
  4. Step 4: Simplify right side
    5,169.65x = 17,434,029.05
  5. Step 5: Solve for x
    x = 17,434,029.05/5,169.65
  6. Step 6: Final answer
    x = 3,372.38

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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.