Home / 7,743.76-11,617.44-2,549.68

Finding the Fourth Proportional to 7,743.76, 11,617.44 and 2,549.68

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Solution

The fourth proportional to 7,743.76, 11,617.44 and 2,549.68 is: 3,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.76 : 11,617.44 = 2,549.68 : x
  2. Step 2: Convert to fraction form
    7,743.76/11,617.44 = 2,549.68/x
  3. Step 3: Cross multiply
    7,743.76x = 11,617.44 × 2,549.68
  4. Step 4: Simplify right side
    7,743.76x = 29,620,754.42
  5. Step 5: Solve for x
    x = 29,620,754.42/7,743.76
  6. Step 6: Final answer
    x = 3,825.11

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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.