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Finding the Fourth Proportional to 4,860.18, 7,289.91 and 1,939.14

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Solution

The fourth proportional to 4,860.18, 7,289.91 and 1,939.14 is: 2,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.18 : 7,289.91 = 1,939.14 : x
  2. Step 2: Convert to fraction form
    4,860.18/7,289.91 = 1,939.14/x
  3. Step 3: Cross multiply
    4,860.18x = 7,289.91 × 1,939.14
  4. Step 4: Simplify right side
    4,860.18x = 14,136,156.08
  5. Step 5: Solve for x
    x = 14,136,156.08/4,860.18
  6. Step 6: Final answer
    x = 2,908.57

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