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Finding the Fourth Proportional to 6,085.75, 9,129.21 and 2,799.76

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Solution

The fourth proportional to 6,085.75, 9,129.21 and 2,799.76 is: 4,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.75 : 9,129.21 = 2,799.76 : x
  2. Step 2: Convert to fraction form
    6,085.75/9,129.21 = 2,799.76/x
  3. Step 3: Cross multiply
    6,085.75x = 9,129.21 × 2,799.76
  4. Step 4: Simplify right side
    6,085.75x = 25,559,596.99
  5. Step 5: Solve for x
    x = 25,559,596.99/6,085.75
  6. Step 6: Final answer
    x = 4,199.91

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