Home / 4,149.12-6,209.06-2,589.86

Finding the Fourth Proportional to 4,149.12, 6,209.06 and 2,589.86

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Solution

The fourth proportional to 4,149.12, 6,209.06 and 2,589.86 is: 3,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.12 : 6,209.06 = 2,589.86 : x
  2. Step 2: Convert to fraction form
    4,149.12/6,209.06 = 2,589.86/x
  3. Step 3: Cross multiply
    4,149.12x = 6,209.06 × 2,589.86
  4. Step 4: Simplify right side
    4,149.12x = 16,080,552.14
  5. Step 5: Solve for x
    x = 16,080,552.14/4,149.12
  6. Step 6: Final answer
    x = 3,875.65

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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.