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Finding the Fourth Proportional to 5,855.58, 8,079.60 and 3,968.68

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Solution

The fourth proportional to 5,855.58, 8,079.60 and 3,968.68 is: 5,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.58 : 8,079.60 = 3,968.68 : x
  2. Step 2: Convert to fraction form
    5,855.58/8,079.60 = 3,968.68/x
  3. Step 3: Cross multiply
    5,855.58x = 8,079.60 × 3,968.68
  4. Step 4: Simplify right side
    5,855.58x = 32,065,346.93
  5. Step 5: Solve for x
    x = 32,065,346.93/5,855.58
  6. Step 6: Final answer
    x = 5,476.03

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