Home / 6,109.15-9,164.24-1,949.75

Finding the Fourth Proportional to 6,109.15, 9,164.24 and 1,949.75

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Solution

The fourth proportional to 6,109.15, 9,164.24 and 1,949.75 is: 2,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.15 : 9,164.24 = 1,949.75 : x
  2. Step 2: Convert to fraction form
    6,109.15/9,164.24 = 1,949.75/x
  3. Step 3: Cross multiply
    6,109.15x = 9,164.24 × 1,949.75
  4. Step 4: Simplify right side
    6,109.15x = 17,867,976.94
  5. Step 5: Solve for x
    x = 17,867,976.94/6,109.15
  6. Step 6: Final answer
    x = 2,924.79

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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.