Home / 4,979.04-7,469.55-1,691.25

Finding the Fourth Proportional to 4,979.04, 7,469.55 and 1,691.25

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Solution

The fourth proportional to 4,979.04, 7,469.55 and 1,691.25 is: 2,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.04 : 7,469.55 = 1,691.25 : x
  2. Step 2: Convert to fraction form
    4,979.04/7,469.55 = 1,691.25/x
  3. Step 3: Cross multiply
    4,979.04x = 7,469.55 × 1,691.25
  4. Step 4: Simplify right side
    4,979.04x = 12,632,876.44
  5. Step 5: Solve for x
    x = 12,632,876.44/4,979.04
  6. Step 6: Final answer
    x = 2,537.21

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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.