Home / 5,110.46-7,052.43-2,872.43

Finding the Fourth Proportional to 5,110.46, 7,052.43 and 2,872.43

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Solution

The fourth proportional to 5,110.46, 7,052.43 and 2,872.43 is: 3,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.46 : 7,052.43 = 2,872.43 : x
  2. Step 2: Convert to fraction form
    5,110.46/7,052.43 = 2,872.43/x
  3. Step 3: Cross multiply
    5,110.46x = 7,052.43 × 2,872.43
  4. Step 4: Simplify right side
    5,110.46x = 20,257,611.50
  5. Step 5: Solve for x
    x = 20,257,611.50/5,110.46
  6. Step 6: Final answer
    x = 3,963.95

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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.