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Finding the Fourth Proportional to 7,835.38, 11,753.15 and 1,991.99

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Solution

The fourth proportional to 7,835.38, 11,753.15 and 1,991.99 is: 2,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.38 : 11,753.15 = 1,991.99 : x
  2. Step 2: Convert to fraction form
    7,835.38/11,753.15 = 1,991.99/x
  3. Step 3: Cross multiply
    7,835.38x = 11,753.15 × 1,991.99
  4. Step 4: Simplify right side
    7,835.38x = 23,412,187.90
  5. Step 5: Solve for x
    x = 23,412,187.90/7,835.38
  6. Step 6: Final answer
    x = 2,988.01

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