Home / 5,781.60-7,979.58-3,425.04

Finding the Fourth Proportional to 5,781.60, 7,979.58 and 3,425.04

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Solution

The fourth proportional to 5,781.60, 7,979.58 and 3,425.04 is: 4,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.60 : 7,979.58 = 3,425.04 : x
  2. Step 2: Convert to fraction form
    5,781.60/7,979.58 = 3,425.04/x
  3. Step 3: Cross multiply
    5,781.60x = 7,979.58 × 3,425.04
  4. Step 4: Simplify right side
    5,781.60x = 27,330,380.68
  5. Step 5: Solve for x
    x = 27,330,380.68/5,781.60
  6. Step 6: Final answer
    x = 4,727.13

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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.