Home / 4,469.91-6,704.75-2,131.57

Finding the Fourth Proportional to 4,469.91, 6,704.75 and 2,131.57

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Solution

The fourth proportional to 4,469.91, 6,704.75 and 2,131.57 is: 3,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,469.91 : 6,704.75 = 2,131.57 : x
  2. Step 2: Convert to fraction form
    4,469.91/6,704.75 = 2,131.57/x
  3. Step 3: Cross multiply
    4,469.91x = 6,704.75 × 2,131.57
  4. Step 4: Simplify right side
    4,469.91x = 14,291,613.96
  5. Step 5: Solve for x
    x = 14,291,613.96/4,469.91
  6. Step 6: Final answer
    x = 3,197.29

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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.