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Finding the Fourth Proportional to 3,919.48, 5,867.68 and 3,433.48

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Solution

The fourth proportional to 3,919.48, 5,867.68 and 3,433.48 is: 5,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.48 : 5,867.68 = 3,433.48 : x
  2. Step 2: Convert to fraction form
    3,919.48/5,867.68 = 3,433.48/x
  3. Step 3: Cross multiply
    3,919.48x = 5,867.68 × 3,433.48
  4. Step 4: Simplify right side
    3,919.48x = 20,146,561.93
  5. Step 5: Solve for x
    x = 20,146,561.93/3,919.48
  6. Step 6: Final answer
    x = 5,140.11

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