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Finding the Fourth Proportional to 6,113.76, 9,172.19 and 2,829.21

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Solution

The fourth proportional to 6,113.76, 9,172.19 and 2,829.21 is: 4,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.76 : 9,172.19 = 2,829.21 : x
  2. Step 2: Convert to fraction form
    6,113.76/9,172.19 = 2,829.21/x
  3. Step 3: Cross multiply
    6,113.76x = 9,172.19 × 2,829.21
  4. Step 4: Simplify right side
    6,113.76x = 25,950,051.67
  5. Step 5: Solve for x
    x = 25,950,051.67/6,113.76
  6. Step 6: Final answer
    x = 4,244.53

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