Home / 7,760.22-11,640.35-2,137.97

Finding the Fourth Proportional to 7,760.22, 11,640.35 and 2,137.97

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Solution

The fourth proportional to 7,760.22, 11,640.35 and 2,137.97 is: 3,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.22 : 11,640.35 = 2,137.97 : x
  2. Step 2: Convert to fraction form
    7,760.22/11,640.35 = 2,137.97/x
  3. Step 3: Cross multiply
    7,760.22x = 11,640.35 × 2,137.97
  4. Step 4: Simplify right side
    7,760.22x = 24,886,719.09
  5. Step 5: Solve for x
    x = 24,886,719.09/7,760.22
  6. Step 6: Final answer
    x = 3,206.96

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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.