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Finding the Fourth Proportional to 7,995.15, 11,992.64 and 3,609.54

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Solution

The fourth proportional to 7,995.15, 11,992.64 and 3,609.54 is: 5,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.15 : 11,992.64 = 3,609.54 : x
  2. Step 2: Convert to fraction form
    7,995.15/11,992.64 = 3,609.54/x
  3. Step 3: Cross multiply
    7,995.15x = 11,992.64 × 3,609.54
  4. Step 4: Simplify right side
    7,995.15x = 43,287,895.74
  5. Step 5: Solve for x
    x = 43,287,895.74/7,995.15
  6. Step 6: Final answer
    x = 5,414.27

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