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Finding the Fourth Proportional to 5,685.78, 8,528.67 and 3,370.26

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Solution

The fourth proportional to 5,685.78, 8,528.67 and 3,370.26 is: 5,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.78 : 8,528.67 = 3,370.26 : x
  2. Step 2: Convert to fraction form
    5,685.78/8,528.67 = 3,370.26/x
  3. Step 3: Cross multiply
    5,685.78x = 8,528.67 × 3,370.26
  4. Step 4: Simplify right side
    5,685.78x = 28,743,835.35
  5. Step 5: Solve for x
    x = 28,743,835.35/5,685.78
  6. Step 6: Final answer
    x = 5,055.39

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