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Finding the Fourth Proportional to 6,481.84, 9,721.58 and 1,800.67

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Solution

The fourth proportional to 6,481.84, 9,721.58 and 1,800.67 is: 2,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.84 : 9,721.58 = 1,800.67 : x
  2. Step 2: Convert to fraction form
    6,481.84/9,721.58 = 1,800.67/x
  3. Step 3: Cross multiply
    6,481.84x = 9,721.58 × 1,800.67
  4. Step 4: Simplify right side
    6,481.84x = 17,505,357.46
  5. Step 5: Solve for x
    x = 17,505,357.46/6,481.84
  6. Step 6: Final answer
    x = 2,700.68

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