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Finding the Fourth Proportional to 8,967.75, 13,453.79 and 2,811.75

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Solution

The fourth proportional to 8,967.75, 13,453.79 and 2,811.75 is: 4,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.75 : 13,453.79 = 2,811.75 : x
  2. Step 2: Convert to fraction form
    8,967.75/13,453.79 = 2,811.75/x
  3. Step 3: Cross multiply
    8,967.75x = 13,453.79 × 2,811.75
  4. Step 4: Simplify right side
    8,967.75x = 37,828,694.03
  5. Step 5: Solve for x
    x = 37,828,694.03/8,967.75
  6. Step 6: Final answer
    x = 4,218.30

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