Home / 5,930-8,183.40-3,722

Finding the Fourth Proportional to 5,930, 8,183.40 and 3,722

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Solution

The fourth proportional to 5,930, 8,183.40 and 3,722 is: 5,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930 : 8,183.40 = 3,722 : x
  2. Step 2: Convert to fraction form
    5,930/8,183.40 = 3,722/x
  3. Step 3: Cross multiply
    5,930x = 8,183.40 × 3,722
  4. Step 4: Simplify right side
    5,930x = 30,458,614.80
  5. Step 5: Solve for x
    x = 30,458,614.80/5,930
  6. Step 6: Final answer
    x = 5,136.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.