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Finding the Fourth Proportional to 5,588.54, 8,382.84 and 1,890.78

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Solution

The fourth proportional to 5,588.54, 8,382.84 and 1,890.78 is: 2,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.54 : 8,382.84 = 1,890.78 : x
  2. Step 2: Convert to fraction form
    5,588.54/8,382.84 = 1,890.78/x
  3. Step 3: Cross multiply
    5,588.54x = 8,382.84 × 1,890.78
  4. Step 4: Simplify right side
    5,588.54x = 15,850,106.22
  5. Step 5: Solve for x
    x = 15,850,106.22/5,588.54
  6. Step 6: Final answer
    x = 2,836.18

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