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Finding the Fourth Proportional to 7,692.47, 11,538.69 and 1,849.07

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Solution

The fourth proportional to 7,692.47, 11,538.69 and 1,849.07 is: 2,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.47 : 11,538.69 = 1,849.07 : x
  2. Step 2: Convert to fraction form
    7,692.47/11,538.69 = 1,849.07/x
  3. Step 3: Cross multiply
    7,692.47x = 11,538.69 × 1,849.07
  4. Step 4: Simplify right side
    7,692.47x = 21,335,881.30
  5. Step 5: Solve for x
    x = 21,335,881.30/7,692.47
  6. Step 6: Final answer
    x = 2,773.61

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