Home / 5,781.25-7,979.07-3,544.36

Finding the Fourth Proportional to 5,781.25, 7,979.07 and 3,544.36

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Solution

The fourth proportional to 5,781.25, 7,979.07 and 3,544.36 is: 4,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.25 : 7,979.07 = 3,544.36 : x
  2. Step 2: Convert to fraction form
    5,781.25/7,979.07 = 3,544.36/x
  3. Step 3: Cross multiply
    5,781.25x = 7,979.07 × 3,544.36
  4. Step 4: Simplify right side
    5,781.25x = 28,280,696.55
  5. Step 5: Solve for x
    x = 28,280,696.55/5,781.25
  6. Step 6: Final answer
    x = 4,891.80

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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.