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Finding the Fourth Proportional to 7,161.88, 10,733.10 and 5,319.94

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Solution

The fourth proportional to 7,161.88, 10,733.10 and 5,319.94 is: 7,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.88 : 10,733.10 = 5,319.94 : x
  2. Step 2: Convert to fraction form
    7,161.88/10,733.10 = 5,319.94/x
  3. Step 3: Cross multiply
    7,161.88x = 10,733.10 × 5,319.94
  4. Step 4: Simplify right side
    7,161.88x = 57,099,448.01
  5. Step 5: Solve for x
    x = 57,099,448.01/7,161.88
  6. Step 6: Final answer
    x = 7,972.69

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