Home / 8,949.33-13,403.55-4,272.63

Finding the Fourth Proportional to 8,949.33, 13,403.55 and 4,272.63

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Solution

The fourth proportional to 8,949.33, 13,403.55 and 4,272.63 is: 6,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.33 : 13,403.55 = 4,272.63 : x
  2. Step 2: Convert to fraction form
    8,949.33/13,403.55 = 4,272.63/x
  3. Step 3: Cross multiply
    8,949.33x = 13,403.55 × 4,272.63
  4. Step 4: Simplify right side
    8,949.33x = 57,268,342.82
  5. Step 5: Solve for x
    x = 57,268,342.82/8,949.33
  6. Step 6: Final answer
    x = 6,399.18

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