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Finding the Fourth Proportional to 4,758.12, 7,134.84 and 1,983.96

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Solution

The fourth proportional to 4,758.12, 7,134.84 and 1,983.96 is: 2,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.12 : 7,134.84 = 1,983.96 : x
  2. Step 2: Convert to fraction form
    4,758.12/7,134.84 = 1,983.96/x
  3. Step 3: Cross multiply
    4,758.12x = 7,134.84 × 1,983.96
  4. Step 4: Simplify right side
    4,758.12x = 14,155,237.17
  5. Step 5: Solve for x
    x = 14,155,237.17/4,758.12
  6. Step 6: Final answer
    x = 2,974.96

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