Home / 5,912.12-8,865.42-3,142.04

Finding the Fourth Proportional to 5,912.12, 8,865.42 and 3,142.04

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Solution

The fourth proportional to 5,912.12, 8,865.42 and 3,142.04 is: 4,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.12 : 8,865.42 = 3,142.04 : x
  2. Step 2: Convert to fraction form
    5,912.12/8,865.42 = 3,142.04/x
  3. Step 3: Cross multiply
    5,912.12x = 8,865.42 × 3,142.04
  4. Step 4: Simplify right side
    5,912.12x = 27,855,504.26
  5. Step 5: Solve for x
    x = 27,855,504.26/5,912.12
  6. Step 6: Final answer
    x = 4,711.59

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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.