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Finding the Fourth Proportional to 9,030.71, 13,541.09 and 2,789.00

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Solution

The fourth proportional to 9,030.71, 13,541.09 and 2,789.00 is: 4,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.71 : 13,541.09 = 2,789.00 : x
  2. Step 2: Convert to fraction form
    9,030.71/13,541.09 = 2,789.00/x
  3. Step 3: Cross multiply
    9,030.71x = 13,541.09 × 2,789.00
  4. Step 4: Simplify right side
    9,030.71x = 37,766,018.36
  5. Step 5: Solve for x
    x = 37,766,018.36/9,030.71
  6. Step 6: Final answer
    x = 4,181.96

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