Home / 5,433.62-8,149.32-1,538.06

Finding the Fourth Proportional to 5,433.62, 8,149.32 and 1,538.06

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Solution

The fourth proportional to 5,433.62, 8,149.32 and 1,538.06 is: 2,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.62 : 8,149.32 = 1,538.06 : x
  2. Step 2: Convert to fraction form
    5,433.62/8,149.32 = 1,538.06/x
  3. Step 3: Cross multiply
    5,433.62x = 8,149.32 × 1,538.06
  4. Step 4: Simplify right side
    5,433.62x = 12,534,143.12
  5. Step 5: Solve for x
    x = 12,534,143.12/5,433.62
  6. Step 6: Final answer
    x = 2,306.78

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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.