Home / 5,420.96-8,132.57-3,082.04

Finding the Fourth Proportional to 5,420.96, 8,132.57 and 3,082.04

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Solution

The fourth proportional to 5,420.96, 8,132.57 and 3,082.04 is: 4,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.96 : 8,132.57 = 3,082.04 : x
  2. Step 2: Convert to fraction form
    5,420.96/8,132.57 = 3,082.04/x
  3. Step 3: Cross multiply
    5,420.96x = 8,132.57 × 3,082.04
  4. Step 4: Simplify right side
    5,420.96x = 25,064,849.97
  5. Step 5: Solve for x
    x = 25,064,849.97/5,420.96
  6. Step 6: Final answer
    x = 4,623.70

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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.