Home / 3,393.05-5,089.37-927.95

Finding the Fourth Proportional to 3,393.05, 5,089.37 and 927.95

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Solution

The fourth proportional to 3,393.05, 5,089.37 and 927.95 is: 1,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.05 : 5,089.37 = 927.95 : x
  2. Step 2: Convert to fraction form
    3,393.05/5,089.37 = 927.95/x
  3. Step 3: Cross multiply
    3,393.05x = 5,089.37 × 927.95
  4. Step 4: Simplify right side
    3,393.05x = 4,722,650.80
  5. Step 5: Solve for x
    x = 4,722,650.80/3,393.05
  6. Step 6: Final answer
    x = 1,391.86

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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.