Home / 5,131.44-7,697.98-2,169.91

Finding the Fourth Proportional to 5,131.44, 7,697.98 and 2,169.91

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Solution

The fourth proportional to 5,131.44, 7,697.98 and 2,169.91 is: 3,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.44 : 7,697.98 = 2,169.91 : x
  2. Step 2: Convert to fraction form
    5,131.44/7,697.98 = 2,169.91/x
  3. Step 3: Cross multiply
    5,131.44x = 7,697.98 × 2,169.91
  4. Step 4: Simplify right side
    5,131.44x = 16,703,923.78
  5. Step 5: Solve for x
    x = 16,703,923.78/5,131.44
  6. Step 6: Final answer
    x = 3,255.21

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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.