Home / 4,912.80-6,772.50-3,731.82

Finding the Fourth Proportional to 4,912.80, 6,772.50 and 3,731.82

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Solution

The fourth proportional to 4,912.80, 6,772.50 and 3,731.82 is: 5,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.80 : 6,772.50 = 3,731.82 : x
  2. Step 2: Convert to fraction form
    4,912.80/6,772.50 = 3,731.82/x
  3. Step 3: Cross multiply
    4,912.80x = 6,772.50 × 3,731.82
  4. Step 4: Simplify right side
    4,912.80x = 25,273,750.95
  5. Step 5: Solve for x
    x = 25,273,750.95/4,912.80
  6. Step 6: Final answer
    x = 5,144.47

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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.