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Finding the Fourth Proportional to 5,587.76, 8,379.75 and 2,255.14

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Solution

The fourth proportional to 5,587.76, 8,379.75 and 2,255.14 is: 3,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.76 : 8,379.75 = 2,255.14 : x
  2. Step 2: Convert to fraction form
    5,587.76/8,379.75 = 2,255.14/x
  3. Step 3: Cross multiply
    5,587.76x = 8,379.75 × 2,255.14
  4. Step 4: Simplify right side
    5,587.76x = 18,897,488.47
  5. Step 5: Solve for x
    x = 18,897,488.47/5,587.76
  6. Step 6: Final answer
    x = 3,381.95

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