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Finding the Fourth Proportional to 4,788.80, 7,182.97 and 1,668.68

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Solution

The fourth proportional to 4,788.80, 7,182.97 and 1,668.68 is: 2,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.80 : 7,182.97 = 1,668.68 : x
  2. Step 2: Convert to fraction form
    4,788.80/7,182.97 = 1,668.68/x
  3. Step 3: Cross multiply
    4,788.80x = 7,182.97 × 1,668.68
  4. Step 4: Simplify right side
    4,788.80x = 11,986,078.38
  5. Step 5: Solve for x
    x = 11,986,078.38/4,788.80
  6. Step 6: Final answer
    x = 2,502.94

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