Home / 5,872.19-8,104.00-3,879.25

Finding the Fourth Proportional to 5,872.19, 8,104.00 and 3,879.25

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Solution

The fourth proportional to 5,872.19, 8,104.00 and 3,879.25 is: 5,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.19 : 8,104.00 = 3,879.25 : x
  2. Step 2: Convert to fraction form
    5,872.19/8,104.00 = 3,879.25/x
  3. Step 3: Cross multiply
    5,872.19x = 8,104.00 × 3,879.25
  4. Step 4: Simplify right side
    5,872.19x = 31,437,452.56
  5. Step 5: Solve for x
    x = 31,437,452.56/5,872.19
  6. Step 6: Final answer
    x = 5,353.62

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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.