Home / 6,108.25-9,161.92-1,948.09

Finding the Fourth Proportional to 6,108.25, 9,161.92 and 1,948.09

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Solution

The fourth proportional to 6,108.25, 9,161.92 and 1,948.09 is: 2,921.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.25 : 9,161.92 = 1,948.09 : x
  2. Step 2: Convert to fraction form
    6,108.25/9,161.92 = 1,948.09/x
  3. Step 3: Cross multiply
    6,108.25x = 9,161.92 × 1,948.09
  4. Step 4: Simplify right side
    6,108.25x = 17,848,234.99
  5. Step 5: Solve for x
    x = 17,848,234.99/6,108.25
  6. Step 6: Final answer
    x = 2,921.99

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1.5x scale

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.