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Finding the Fourth Proportional to 7,966.64, 10,995.36 and 5,180.24

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Solution

The fourth proportional to 7,966.64, 10,995.36 and 5,180.24 is: 7,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.64 : 10,995.36 = 5,180.24 : x
  2. Step 2: Convert to fraction form
    7,966.64/10,995.36 = 5,180.24/x
  3. Step 3: Cross multiply
    7,966.64x = 10,995.36 × 5,180.24
  4. Step 4: Simplify right side
    7,966.64x = 56,958,603.69
  5. Step 5: Solve for x
    x = 56,958,603.69/7,966.64
  6. Step 6: Final answer
    x = 7,149.64

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