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Finding the Fourth Proportional to 5,716.71, 7,890.62 and 3,359.61

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Solution

The fourth proportional to 5,716.71, 7,890.62 and 3,359.61 is: 4,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.71 : 7,890.62 = 3,359.61 : x
  2. Step 2: Convert to fraction form
    5,716.71/7,890.62 = 3,359.61/x
  3. Step 3: Cross multiply
    5,716.71x = 7,890.62 × 3,359.61
  4. Step 4: Simplify right side
    5,716.71x = 26,509,389.06
  5. Step 5: Solve for x
    x = 26,509,389.06/5,716.71
  6. Step 6: Final answer
    x = 4,637.18

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