Home / 4,747.92-7,121.42-1,461.04

Finding the Fourth Proportional to 4,747.92, 7,121.42 and 1,461.04

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Solution

The fourth proportional to 4,747.92, 7,121.42 and 1,461.04 is: 2,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.92 : 7,121.42 = 1,461.04 : x
  2. Step 2: Convert to fraction form
    4,747.92/7,121.42 = 1,461.04/x
  3. Step 3: Cross multiply
    4,747.92x = 7,121.42 × 1,461.04
  4. Step 4: Simplify right side
    4,747.92x = 10,404,659.85
  5. Step 5: Solve for x
    x = 10,404,659.85/4,747.92
  6. Step 6: Final answer
    x = 2,191.42

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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.