Home / 5,872.33-8,103.78-3,219.75

Finding the Fourth Proportional to 5,872.33, 8,103.78 and 3,219.75

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Solution

The fourth proportional to 5,872.33, 8,103.78 and 3,219.75 is: 4,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.33 : 8,103.78 = 3,219.75 : x
  2. Step 2: Convert to fraction form
    5,872.33/8,103.78 = 3,219.75/x
  3. Step 3: Cross multiply
    5,872.33x = 8,103.78 × 3,219.75
  4. Step 4: Simplify right side
    5,872.33x = 26,092,145.66
  5. Step 5: Solve for x
    x = 26,092,145.66/5,872.33
  6. Step 6: Final answer
    x = 4,443.23

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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.