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Finding the Fourth Proportional to 5,911.81, 8,867.10 and 2,791.01

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Solution

The fourth proportional to 5,911.81, 8,867.10 and 2,791.01 is: 4,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.81 : 8,867.10 = 2,791.01 : x
  2. Step 2: Convert to fraction form
    5,911.81/8,867.10 = 2,791.01/x
  3. Step 3: Cross multiply
    5,911.81x = 8,867.10 × 2,791.01
  4. Step 4: Simplify right side
    5,911.81x = 24,748,164.77
  5. Step 5: Solve for x
    x = 24,748,164.77/5,911.81
  6. Step 6: Final answer
    x = 4,186.22

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