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Finding the Fourth Proportional to 7,009.80, 9,673.54 and 3,865.96

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Solution

The fourth proportional to 7,009.80, 9,673.54 and 3,865.96 is: 5,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.80 : 9,673.54 = 3,865.96 : x
  2. Step 2: Convert to fraction form
    7,009.80/9,673.54 = 3,865.96/x
  3. Step 3: Cross multiply
    7,009.80x = 9,673.54 × 3,865.96
  4. Step 4: Simplify right side
    7,009.80x = 37,397,518.70
  5. Step 5: Solve for x
    x = 37,397,518.70/7,009.80
  6. Step 6: Final answer
    x = 5,335.03

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