Home / 7,743.49-11,616.54-3,581.80

Finding the Fourth Proportional to 7,743.49, 11,616.54 and 3,581.80

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Solution

The fourth proportional to 7,743.49, 11,616.54 and 3,581.80 is: 5,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.49 : 11,616.54 = 3,581.80 : x
  2. Step 2: Convert to fraction form
    7,743.49/11,616.54 = 3,581.80/x
  3. Step 3: Cross multiply
    7,743.49x = 11,616.54 × 3,581.80
  4. Step 4: Simplify right side
    7,743.49x = 41,608,122.97
  5. Step 5: Solve for x
    x = 41,608,122.97/7,743.49
  6. Step 6: Final answer
    x = 5,373.30

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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.