Home / 4,872.21-6,723.30-2,747.85

Finding the Fourth Proportional to 4,872.21, 6,723.30 and 2,747.85

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Solution

The fourth proportional to 4,872.21, 6,723.30 and 2,747.85 is: 3,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.21 : 6,723.30 = 2,747.85 : x
  2. Step 2: Convert to fraction form
    4,872.21/6,723.30 = 2,747.85/x
  3. Step 3: Cross multiply
    4,872.21x = 6,723.30 × 2,747.85
  4. Step 4: Simplify right side
    4,872.21x = 18,474,619.91
  5. Step 5: Solve for x
    x = 18,474,619.91/4,872.21
  6. Step 6: Final answer
    x = 3,791.84

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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.