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Finding the Fourth Proportional to 5,728.51, 8,590.64 and 2,029.75

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Solution

The fourth proportional to 5,728.51, 8,590.64 and 2,029.75 is: 3,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.51 : 8,590.64 = 2,029.75 : x
  2. Step 2: Convert to fraction form
    5,728.51/8,590.64 = 2,029.75/x
  3. Step 3: Cross multiply
    5,728.51x = 8,590.64 × 2,029.75
  4. Step 4: Simplify right side
    5,728.51x = 17,436,851.54
  5. Step 5: Solve for x
    x = 17,436,851.54/5,728.51
  6. Step 6: Final answer
    x = 3,043.87

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