Home / 7,826.11-11,735.42-3,144.87

Finding the Fourth Proportional to 7,826.11, 11,735.42 and 3,144.87

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Solution

The fourth proportional to 7,826.11, 11,735.42 and 3,144.87 is: 4,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.11 : 11,735.42 = 3,144.87 : x
  2. Step 2: Convert to fraction form
    7,826.11/11,735.42 = 3,144.87/x
  3. Step 3: Cross multiply
    7,826.11x = 11,735.42 × 3,144.87
  4. Step 4: Simplify right side
    7,826.11x = 36,906,354.57
  5. Step 5: Solve for x
    x = 36,906,354.57/7,826.11
  6. Step 6: Final answer
    x = 4,715.80

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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.