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Finding the Fourth Proportional to 5,203.75, 7,800.99 and 1,916.05

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Solution

The fourth proportional to 5,203.75, 7,800.99 and 1,916.05 is: 2,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.75 : 7,800.99 = 1,916.05 : x
  2. Step 2: Convert to fraction form
    5,203.75/7,800.99 = 1,916.05/x
  3. Step 3: Cross multiply
    5,203.75x = 7,800.99 × 1,916.05
  4. Step 4: Simplify right side
    5,203.75x = 14,947,086.89
  5. Step 5: Solve for x
    x = 14,947,086.89/5,203.75
  6. Step 6: Final answer
    x = 2,872.37

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