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Finding the Fourth Proportional to 4,927.88, 6,800.54 and 2,689.75

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Solution

The fourth proportional to 4,927.88, 6,800.54 and 2,689.75 is: 3,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.88 : 6,800.54 = 2,689.75 : x
  2. Step 2: Convert to fraction form
    4,927.88/6,800.54 = 2,689.75/x
  3. Step 3: Cross multiply
    4,927.88x = 6,800.54 × 2,689.75
  4. Step 4: Simplify right side
    4,927.88x = 18,291,752.47
  5. Step 5: Solve for x
    x = 18,291,752.47/4,927.88
  6. Step 6: Final answer
    x = 3,711.89

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