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Finding the Fourth Proportional to 5,051.90, 7,579.67 and 2,587.88

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Solution

The fourth proportional to 5,051.90, 7,579.67 and 2,587.88 is: 3,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.90 : 7,579.67 = 2,587.88 : x
  2. Step 2: Convert to fraction form
    5,051.90/7,579.67 = 2,587.88/x
  3. Step 3: Cross multiply
    5,051.90x = 7,579.67 × 2,587.88
  4. Step 4: Simplify right side
    5,051.90x = 19,615,276.40
  5. Step 5: Solve for x
    x = 19,615,276.40/5,051.90
  6. Step 6: Final answer
    x = 3,882.75

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