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Finding the Fourth Proportional to 4,163.62, 5,747.61 and 2,763.94

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Solution

The fourth proportional to 4,163.62, 5,747.61 and 2,763.94 is: 3,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.62 : 5,747.61 = 2,763.94 : x
  2. Step 2: Convert to fraction form
    4,163.62/5,747.61 = 2,763.94/x
  3. Step 3: Cross multiply
    4,163.62x = 5,747.61 × 2,763.94
  4. Step 4: Simplify right side
    4,163.62x = 15,886,049.18
  5. Step 5: Solve for x
    x = 15,886,049.18/4,163.62
  6. Step 6: Final answer
    x = 3,815.44

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1.5x scale

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.