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Finding the Fourth Proportional to 6,415.16, 9,619.53 and 3,884.77

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Solution

The fourth proportional to 6,415.16, 9,619.53 and 3,884.77 is: 5,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.16 : 9,619.53 = 3,884.77 : x
  2. Step 2: Convert to fraction form
    6,415.16/9,619.53 = 3,884.77/x
  3. Step 3: Cross multiply
    6,415.16x = 9,619.53 × 3,884.77
  4. Step 4: Simplify right side
    6,415.16x = 37,369,705.32
  5. Step 5: Solve for x
    x = 37,369,705.32/6,415.16
  6. Step 6: Final answer
    x = 5,825.22

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