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Finding the Fourth Proportional to 6,875.68, 10,313.90 and 1,945.68

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Solution

The fourth proportional to 6,875.68, 10,313.90 and 1,945.68 is: 2,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.68 : 10,313.90 = 1,945.68 : x
  2. Step 2: Convert to fraction form
    6,875.68/10,313.90 = 1,945.68/x
  3. Step 3: Cross multiply
    6,875.68x = 10,313.90 × 1,945.68
  4. Step 4: Simplify right side
    6,875.68x = 20,067,548.95
  5. Step 5: Solve for x
    x = 20,067,548.95/6,875.68
  6. Step 6: Final answer
    x = 2,918.63

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