Home / 4,455.90-6,149.13-2,687.61

Finding the Fourth Proportional to 4,455.90, 6,149.13 and 2,687.61

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Solution

The fourth proportional to 4,455.90, 6,149.13 and 2,687.61 is: 3,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.90 : 6,149.13 = 2,687.61 : x
  2. Step 2: Convert to fraction form
    4,455.90/6,149.13 = 2,687.61/x
  3. Step 3: Cross multiply
    4,455.90x = 6,149.13 × 2,687.61
  4. Step 4: Simplify right side
    4,455.90x = 16,526,463.28
  5. Step 5: Solve for x
    x = 16,526,463.28/4,455.90
  6. Step 6: Final answer
    x = 3,708.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.