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Finding the Fourth Proportional to 7,823.52, 11,727.84 and 2,889.84

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Solution

The fourth proportional to 7,823.52, 11,727.84 and 2,889.84 is: 4,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.52 : 11,727.84 = 2,889.84 : x
  2. Step 2: Convert to fraction form
    7,823.52/11,727.84 = 2,889.84/x
  3. Step 3: Cross multiply
    7,823.52x = 11,727.84 × 2,889.84
  4. Step 4: Simplify right side
    7,823.52x = 33,891,581.15
  5. Step 5: Solve for x
    x = 33,891,581.15/7,823.52
  6. Step 6: Final answer
    x = 4,332.01

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