Home / 5,418.41-8,122.32-2,644.97

Finding the Fourth Proportional to 5,418.41, 8,122.32 and 2,644.97

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Solution

The fourth proportional to 5,418.41, 8,122.32 and 2,644.97 is: 3,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.41 : 8,122.32 = 2,644.97 : x
  2. Step 2: Convert to fraction form
    5,418.41/8,122.32 = 2,644.97/x
  3. Step 3: Cross multiply
    5,418.41x = 8,122.32 × 2,644.97
  4. Step 4: Simplify right side
    5,418.41x = 21,483,292.73
  5. Step 5: Solve for x
    x = 21,483,292.73/5,418.41
  6. Step 6: Final answer
    x = 3,964.87

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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.