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Finding the Fourth Proportional to 8,453, 12,679.26 and 3,771.80

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Solution

The fourth proportional to 8,453, 12,679.26 and 3,771.80 is: 5,657.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453 : 12,679.26 = 3,771.80 : x
  2. Step 2: Convert to fraction form
    8,453/12,679.26 = 3,771.80/x
  3. Step 3: Cross multiply
    8,453x = 12,679.26 × 3,771.80
  4. Step 4: Simplify right side
    8,453x = 47,823,632.87
  5. Step 5: Solve for x
    x = 47,823,632.87/8,453
  6. Step 6: Final answer
    x = 5,657.59

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