Home / 4,123.80-6,180.84-3,146.88

Finding the Fourth Proportional to 4,123.80, 6,180.84 and 3,146.88

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Solution

The fourth proportional to 4,123.80, 6,180.84 and 3,146.88 is: 4,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.80 : 6,180.84 = 3,146.88 : x
  2. Step 2: Convert to fraction form
    4,123.80/6,180.84 = 3,146.88/x
  3. Step 3: Cross multiply
    4,123.80x = 6,180.84 × 3,146.88
  4. Step 4: Simplify right side
    4,123.80x = 19,450,361.78
  5. Step 5: Solve for x
    x = 19,450,361.78/4,123.80
  6. Step 6: Final answer
    x = 4,716.61

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1.5x scale

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.