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Finding the Fourth Proportional to 5,687.42, 8,532.48 and 1,791.81

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Solution

The fourth proportional to 5,687.42, 8,532.48 and 1,791.81 is: 2,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.42 : 8,532.48 = 1,791.81 : x
  2. Step 2: Convert to fraction form
    5,687.42/8,532.48 = 1,791.81/x
  3. Step 3: Cross multiply
    5,687.42x = 8,532.48 × 1,791.81
  4. Step 4: Simplify right side
    5,687.42x = 15,288,582.99
  5. Step 5: Solve for x
    x = 15,288,582.99/5,687.42
  6. Step 6: Final answer
    x = 2,688.14

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