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Finding the Fourth Proportional to 5,088.42, 7,640.73 and 3,448.98

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Solution

The fourth proportional to 5,088.42, 7,640.73 and 3,448.98 is: 5,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.42 : 7,640.73 = 3,448.98 : x
  2. Step 2: Convert to fraction form
    5,088.42/7,640.73 = 3,448.98/x
  3. Step 3: Cross multiply
    5,088.42x = 7,640.73 × 3,448.98
  4. Step 4: Simplify right side
    5,088.42x = 26,352,724.96
  5. Step 5: Solve for x
    x = 26,352,724.96/5,088.42
  6. Step 6: Final answer
    x = 5,178.96

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