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Finding the Fourth Proportional to 4,102.99, 6,145.98 and 1,913.56

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Solution

The fourth proportional to 4,102.99, 6,145.98 and 1,913.56 is: 2,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.99 : 6,145.98 = 1,913.56 : x
  2. Step 2: Convert to fraction form
    4,102.99/6,145.98 = 1,913.56/x
  3. Step 3: Cross multiply
    4,102.99x = 6,145.98 × 1,913.56
  4. Step 4: Simplify right side
    4,102.99x = 11,760,678.95
  5. Step 5: Solve for x
    x = 11,760,678.95/4,102.99
  6. Step 6: Final answer
    x = 2,866.37

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