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Finding the Fourth Proportional to 7,834.86, 11,751.72 and 3,675.81

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Solution

The fourth proportional to 7,834.86, 11,751.72 and 3,675.81 is: 5,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.86 : 11,751.72 = 3,675.81 : x
  2. Step 2: Convert to fraction form
    7,834.86/11,751.72 = 3,675.81/x
  3. Step 3: Cross multiply
    7,834.86x = 11,751.72 × 3,675.81
  4. Step 4: Simplify right side
    7,834.86x = 43,197,120.18
  5. Step 5: Solve for x
    x = 43,197,120.18/7,834.86
  6. Step 6: Final answer
    x = 5,513.45

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