Home / 4,911.08-7,368.59-1,791.32

Finding the Fourth Proportional to 4,911.08, 7,368.59 and 1,791.32

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Solution

The fourth proportional to 4,911.08, 7,368.59 and 1,791.32 is: 2,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.08 : 7,368.59 = 1,791.32 : x
  2. Step 2: Convert to fraction form
    4,911.08/7,368.59 = 1,791.32/x
  3. Step 3: Cross multiply
    4,911.08x = 7,368.59 × 1,791.32
  4. Step 4: Simplify right side
    4,911.08x = 13,199,493.68
  5. Step 5: Solve for x
    x = 13,199,493.68/4,911.08
  6. Step 6: Final answer
    x = 2,687.70

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