Home / 4,169.32-6,249.86-2,687.64

Finding the Fourth Proportional to 4,169.32, 6,249.86 and 2,687.64

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Solution

The fourth proportional to 4,169.32, 6,249.86 and 2,687.64 is: 4,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.32 : 6,249.86 = 2,687.64 : x
  2. Step 2: Convert to fraction form
    4,169.32/6,249.86 = 2,687.64/x
  3. Step 3: Cross multiply
    4,169.32x = 6,249.86 × 2,687.64
  4. Step 4: Simplify right side
    4,169.32x = 16,797,373.73
  5. Step 5: Solve for x
    x = 16,797,373.73/4,169.32
  6. Step 6: Final answer
    x = 4,028.80

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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.