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Finding the Fourth Proportional to 8,981.74, 13,473.54 and 3,439.75

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Solution

The fourth proportional to 8,981.74, 13,473.54 and 3,439.75 is: 5,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.74 : 13,473.54 = 3,439.75 : x
  2. Step 2: Convert to fraction form
    8,981.74/13,473.54 = 3,439.75/x
  3. Step 3: Cross multiply
    8,981.74x = 13,473.54 × 3,439.75
  4. Step 4: Simplify right side
    8,981.74x = 46,345,609.22
  5. Step 5: Solve for x
    x = 46,345,609.22/8,981.74
  6. Step 6: Final answer
    x = 5,159.98

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