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Finding the Fourth Proportional to 6,978.25, 9,629.99 and 3,834.46

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Solution

The fourth proportional to 6,978.25, 9,629.99 and 3,834.46 is: 5,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978.25 : 9,629.99 = 3,834.46 : x
  2. Step 2: Convert to fraction form
    6,978.25/9,629.99 = 3,834.46/x
  3. Step 3: Cross multiply
    6,978.25x = 9,629.99 × 3,834.46
  4. Step 4: Simplify right side
    6,978.25x = 36,925,811.46
  5. Step 5: Solve for x
    x = 36,925,811.46/6,978.25
  6. Step 6: Final answer
    x = 5,291.56

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