Home / 7,757.10-11,629.85-3,073.28

Finding the Fourth Proportional to 7,757.10, 11,629.85 and 3,073.28

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Solution

The fourth proportional to 7,757.10, 11,629.85 and 3,073.28 is: 4,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.10 : 11,629.85 = 3,073.28 : x
  2. Step 2: Convert to fraction form
    7,757.10/11,629.85 = 3,073.28/x
  3. Step 3: Cross multiply
    7,757.10x = 11,629.85 × 3,073.28
  4. Step 4: Simplify right side
    7,757.10x = 35,741,711.89
  5. Step 5: Solve for x
    x = 35,741,711.89/7,757.10
  6. Step 6: Final answer
    x = 4,607.61

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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.