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Finding the Fourth Proportional to 5,487.22, 8,229.05 and 1,788.48

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Solution

The fourth proportional to 5,487.22, 8,229.05 and 1,788.48 is: 2,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.22 : 8,229.05 = 1,788.48 : x
  2. Step 2: Convert to fraction form
    5,487.22/8,229.05 = 1,788.48/x
  3. Step 3: Cross multiply
    5,487.22x = 8,229.05 × 1,788.48
  4. Step 4: Simplify right side
    5,487.22x = 14,717,491.34
  5. Step 5: Solve for x
    x = 14,717,491.34/5,487.22
  6. Step 6: Final answer
    x = 2,682.14

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