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Finding the Fourth Proportional to 5,898.68, 8,140.97 and 5,400.43

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Solution

The fourth proportional to 5,898.68, 8,140.97 and 5,400.43 is: 7,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.68 : 8,140.97 = 5,400.43 : x
  2. Step 2: Convert to fraction form
    5,898.68/8,140.97 = 5,400.43/x
  3. Step 3: Cross multiply
    5,898.68x = 8,140.97 × 5,400.43
  4. Step 4: Simplify right side
    5,898.68x = 43,964,731.77
  5. Step 5: Solve for x
    x = 43,964,731.77/5,898.68
  6. Step 6: Final answer
    x = 7,453.31

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