Home / 5,321.24-7,989.22-3,673.72

Finding the Fourth Proportional to 5,321.24, 7,989.22 and 3,673.72

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Solution

The fourth proportional to 5,321.24, 7,989.22 and 3,673.72 is: 5,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.24 : 7,989.22 = 3,673.72 : x
  2. Step 2: Convert to fraction form
    5,321.24/7,989.22 = 3,673.72/x
  3. Step 3: Cross multiply
    5,321.24x = 7,989.22 × 3,673.72
  4. Step 4: Simplify right side
    5,321.24x = 29,350,157.30
  5. Step 5: Solve for x
    x = 29,350,157.30/5,321.24
  6. Step 6: Final answer
    x = 5,515.66

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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.