Home / 7,579.74-11,364.12-3,194.79

Finding the Fourth Proportional to 7,579.74, 11,364.12 and 3,194.79

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Solution

The fourth proportional to 7,579.74, 11,364.12 and 3,194.79 is: 4,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.74 : 11,364.12 = 3,194.79 : x
  2. Step 2: Convert to fraction form
    7,579.74/11,364.12 = 3,194.79/x
  3. Step 3: Cross multiply
    7,579.74x = 11,364.12 × 3,194.79
  4. Step 4: Simplify right side
    7,579.74x = 36,305,976.93
  5. Step 5: Solve for x
    x = 36,305,976.93/7,579.74
  6. Step 6: Final answer
    x = 4,789.87

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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.