Home / 5,400.33-8,082.19-3,321.65

Finding the Fourth Proportional to 5,400.33, 8,082.19 and 3,321.65

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Solution

The fourth proportional to 5,400.33, 8,082.19 and 3,321.65 is: 4,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.33 : 8,082.19 = 3,321.65 : x
  2. Step 2: Convert to fraction form
    5,400.33/8,082.19 = 3,321.65/x
  3. Step 3: Cross multiply
    5,400.33x = 8,082.19 × 3,321.65
  4. Step 4: Simplify right side
    5,400.33x = 26,846,230.77
  5. Step 5: Solve for x
    x = 26,846,230.77/5,400.33
  6. Step 6: Final answer
    x = 4,971.22

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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.