Home / 6,740.84-10,107.47-2,789.87

Finding the Fourth Proportional to 6,740.84, 10,107.47 and 2,789.87

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Solution

The fourth proportional to 6,740.84, 10,107.47 and 2,789.87 is: 4,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.84 : 10,107.47 = 2,789.87 : x
  2. Step 2: Convert to fraction form
    6,740.84/10,107.47 = 2,789.87/x
  3. Step 3: Cross multiply
    6,740.84x = 10,107.47 × 2,789.87
  4. Step 4: Simplify right side
    6,740.84x = 28,198,483.77
  5. Step 5: Solve for x
    x = 28,198,483.77/6,740.84
  6. Step 6: Final answer
    x = 4,183.23

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