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Finding the Fourth Proportional to 3,715.92, 5,565.24 and 2,979.36

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Solution

The fourth proportional to 3,715.92, 5,565.24 and 2,979.36 is: 4,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.92 : 5,565.24 = 2,979.36 : x
  2. Step 2: Convert to fraction form
    3,715.92/5,565.24 = 2,979.36/x
  3. Step 3: Cross multiply
    3,715.92x = 5,565.24 × 2,979.36
  4. Step 4: Simplify right side
    3,715.92x = 16,580,853.45
  5. Step 5: Solve for x
    x = 16,580,853.45/3,715.92
  6. Step 6: Final answer
    x = 4,462.11

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