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Finding the Fourth Proportional to 4,874.52, 7,311.78 and 1,587.62

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Solution

The fourth proportional to 4,874.52, 7,311.78 and 1,587.62 is: 2,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.52 : 7,311.78 = 1,587.62 : x
  2. Step 2: Convert to fraction form
    4,874.52/7,311.78 = 1,587.62/x
  3. Step 3: Cross multiply
    4,874.52x = 7,311.78 × 1,587.62
  4. Step 4: Simplify right side
    4,874.52x = 11,608,291.60
  5. Step 5: Solve for x
    x = 11,608,291.60/4,874.52
  6. Step 6: Final answer
    x = 2,381.42

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