Home / 6,108.72-9,163.75-1,947.75

Finding the Fourth Proportional to 6,108.72, 9,163.75 and 1,947.75

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Solution

The fourth proportional to 6,108.72, 9,163.75 and 1,947.75 is: 2,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.72 : 9,163.75 = 1,947.75 : x
  2. Step 2: Convert to fraction form
    6,108.72/9,163.75 = 1,947.75/x
  3. Step 3: Cross multiply
    6,108.72x = 9,163.75 × 1,947.75
  4. Step 4: Simplify right side
    6,108.72x = 17,848,694.06
  5. Step 5: Solve for x
    x = 17,848,694.06/6,108.72
  6. Step 6: Final answer
    x = 2,921.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.