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Finding the Fourth Proportional to 5,829.09, 8,740.80 and 2,905.80

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Solution

The fourth proportional to 5,829.09, 8,740.80 and 2,905.80 is: 4,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.09 : 8,740.80 = 2,905.80 : x
  2. Step 2: Convert to fraction form
    5,829.09/8,740.80 = 2,905.80/x
  3. Step 3: Cross multiply
    5,829.09x = 8,740.80 × 2,905.80
  4. Step 4: Simplify right side
    5,829.09x = 25,399,016.64
  5. Step 5: Solve for x
    x = 25,399,016.64/5,829.09
  6. Step 6: Final answer
    x = 4,357.29

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