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Finding the Fourth Proportional to 5,462.76, 8,192.39 and 1,764.20

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Solution

The fourth proportional to 5,462.76, 8,192.39 and 1,764.20 is: 2,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462.76 : 8,192.39 = 1,764.20 : x
  2. Step 2: Convert to fraction form
    5,462.76/8,192.39 = 1,764.20/x
  3. Step 3: Cross multiply
    5,462.76x = 8,192.39 × 1,764.20
  4. Step 4: Simplify right side
    5,462.76x = 14,453,014.44
  5. Step 5: Solve for x
    x = 14,453,014.44/5,462.76
  6. Step 6: Final answer
    x = 2,645.73

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