Home / 7,579.79-11,364.21-3,194.85

Finding the Fourth Proportional to 7,579.79, 11,364.21 and 3,194.85

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Solution

The fourth proportional to 7,579.79, 11,364.21 and 3,194.85 is: 4,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.79 : 11,364.21 = 3,194.85 : x
  2. Step 2: Convert to fraction form
    7,579.79/11,364.21 = 3,194.85/x
  3. Step 3: Cross multiply
    7,579.79x = 11,364.21 × 3,194.85
  4. Step 4: Simplify right side
    7,579.79x = 36,306,946.32
  5. Step 5: Solve for x
    x = 36,306,946.32/7,579.79
  6. Step 6: Final answer
    x = 4,789.97

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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.