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Finding the Fourth Proportional to 5,074.48, 7,615.09 and 1,787.57

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Solution

The fourth proportional to 5,074.48, 7,615.09 and 1,787.57 is: 2,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.48 : 7,615.09 = 1,787.57 : x
  2. Step 2: Convert to fraction form
    5,074.48/7,615.09 = 1,787.57/x
  3. Step 3: Cross multiply
    5,074.48x = 7,615.09 × 1,787.57
  4. Step 4: Simplify right side
    5,074.48x = 13,612,468.36
  5. Step 5: Solve for x
    x = 13,612,468.36/5,074.48
  6. Step 6: Final answer
    x = 2,682.54

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