Home / 4,891.46-7,337.49-1,381.73

Finding the Fourth Proportional to 4,891.46, 7,337.49 and 1,381.73

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Solution

The fourth proportional to 4,891.46, 7,337.49 and 1,381.73 is: 2,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.46 : 7,337.49 = 1,381.73 : x
  2. Step 2: Convert to fraction form
    4,891.46/7,337.49 = 1,381.73/x
  3. Step 3: Cross multiply
    4,891.46x = 7,337.49 × 1,381.73
  4. Step 4: Simplify right side
    4,891.46x = 10,138,450.10
  5. Step 5: Solve for x
    x = 10,138,450.10/4,891.46
  6. Step 6: Final answer
    x = 2,072.69

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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.