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Finding the Fourth Proportional to 5,668.56, 7,814.16 and 3,984.48

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Solution

The fourth proportional to 5,668.56, 7,814.16 and 3,984.48 is: 5,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.56 : 7,814.16 = 3,984.48 : x
  2. Step 2: Convert to fraction form
    5,668.56/7,814.16 = 3,984.48/x
  3. Step 3: Cross multiply
    5,668.56x = 7,814.16 × 3,984.48
  4. Step 4: Simplify right side
    5,668.56x = 31,135,364.24
  5. Step 5: Solve for x
    x = 31,135,364.24/5,668.56
  6. Step 6: Final answer
    x = 5,492.64

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