Home / 7,674.92-11,514.54-2,481.20

Finding the Fourth Proportional to 7,674.92, 11,514.54 and 2,481.20

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Solution

The fourth proportional to 7,674.92, 11,514.54 and 2,481.20 is: 3,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.92 : 11,514.54 = 2,481.20 : x
  2. Step 2: Convert to fraction form
    7,674.92/11,514.54 = 2,481.20/x
  3. Step 3: Cross multiply
    7,674.92x = 11,514.54 × 2,481.20
  4. Step 4: Simplify right side
    7,674.92x = 28,569,876.65
  5. Step 5: Solve for x
    x = 28,569,876.65/7,674.92
  6. Step 6: Final answer
    x = 3,722.50

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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.