Home / 5,388.66-8,082.90-2,614.86

Finding the Fourth Proportional to 5,388.66, 8,082.90 and 2,614.86

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Solution

The fourth proportional to 5,388.66, 8,082.90 and 2,614.86 is: 3,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.66 : 8,082.90 = 2,614.86 : x
  2. Step 2: Convert to fraction form
    5,388.66/8,082.90 = 2,614.86/x
  3. Step 3: Cross multiply
    5,388.66x = 8,082.90 × 2,614.86
  4. Step 4: Simplify right side
    5,388.66x = 21,135,651.89
  5. Step 5: Solve for x
    x = 21,135,651.89/5,388.66
  6. Step 6: Final answer
    x = 3,922.25

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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.