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Finding the Fourth Proportional to 5,192.92, 7,788.41 and 1,393.62

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Solution

The fourth proportional to 5,192.92, 7,788.41 and 1,393.62 is: 2,090.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.92 : 7,788.41 = 1,393.62 : x
  2. Step 2: Convert to fraction form
    5,192.92/7,788.41 = 1,393.62/x
  3. Step 3: Cross multiply
    5,192.92x = 7,788.41 × 1,393.62
  4. Step 4: Simplify right side
    5,192.92x = 10,854,053.00
  5. Step 5: Solve for x
    x = 10,854,053.00/5,192.92
  6. Step 6: Final answer
    x = 2,090.16

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