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Finding the Fourth Proportional to 7,164.86, 10,738.17 and 3,880.71

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Solution

The fourth proportional to 7,164.86, 10,738.17 and 3,880.71 is: 5,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.86 : 10,738.17 = 3,880.71 : x
  2. Step 2: Convert to fraction form
    7,164.86/10,738.17 = 3,880.71/x
  3. Step 3: Cross multiply
    7,164.86x = 10,738.17 × 3,880.71
  4. Step 4: Simplify right side
    7,164.86x = 41,671,723.70
  5. Step 5: Solve for x
    x = 41,671,723.70/7,164.86
  6. Step 6: Final answer
    x = 5,816.13

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