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Finding the Fourth Proportional to 9,322, 13,978.44 and 4,387.48

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Solution

The fourth proportional to 9,322, 13,978.44 and 4,387.48 is: 6,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322 : 13,978.44 = 4,387.48 : x
  2. Step 2: Convert to fraction form
    9,322/13,978.44 = 4,387.48/x
  3. Step 3: Cross multiply
    9,322x = 13,978.44 × 4,387.48
  4. Step 4: Simplify right side
    9,322x = 61,330,125.93
  5. Step 5: Solve for x
    x = 61,330,125.93/9,322
  6. Step 6: Final answer
    x = 6,579.07

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