Home / 4,755.12-7,118.80-2,774.68

Finding the Fourth Proportional to 4,755.12, 7,118.80 and 2,774.68

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Solution

The fourth proportional to 4,755.12, 7,118.80 and 2,774.68 is: 4,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.12 : 7,118.80 = 2,774.68 : x
  2. Step 2: Convert to fraction form
    4,755.12/7,118.80 = 2,774.68/x
  3. Step 3: Cross multiply
    4,755.12x = 7,118.80 × 2,774.68
  4. Step 4: Simplify right side
    4,755.12x = 19,752,391.98
  5. Step 5: Solve for x
    x = 19,752,391.98/4,755.12
  6. Step 6: Final answer
    x = 4,153.92

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