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Finding the Fourth Proportional to 7,795.39, 11,698.68 and 3,112.69

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Solution

The fourth proportional to 7,795.39, 11,698.68 and 3,112.69 is: 4,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.39 : 11,698.68 = 3,112.69 : x
  2. Step 2: Convert to fraction form
    7,795.39/11,698.68 = 3,112.69/x
  3. Step 3: Cross multiply
    7,795.39x = 11,698.68 × 3,112.69
  4. Step 4: Simplify right side
    7,795.39x = 36,414,364.25
  5. Step 5: Solve for x
    x = 36,414,364.25/7,795.39
  6. Step 6: Final answer
    x = 4,671.27

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