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Finding the Fourth Proportional to 9,756.24, 13,462.80 and 5,978.88

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Solution

The fourth proportional to 9,756.24, 13,462.80 and 5,978.88 is: 8,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.24 : 13,462.80 = 5,978.88 : x
  2. Step 2: Convert to fraction form
    9,756.24/13,462.80 = 5,978.88/x
  3. Step 3: Cross multiply
    9,756.24x = 13,462.80 × 5,978.88
  4. Step 4: Simplify right side
    9,756.24x = 80,492,465.66
  5. Step 5: Solve for x
    x = 80,492,465.66/9,756.24
  6. Step 6: Final answer
    x = 8,250.36

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