Home / 6,640.39-9,960.27-2,257.93

Finding the Fourth Proportional to 6,640.39, 9,960.27 and 2,257.93

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Solution

The fourth proportional to 6,640.39, 9,960.27 and 2,257.93 is: 3,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.39 : 9,960.27 = 2,257.93 : x
  2. Step 2: Convert to fraction form
    6,640.39/9,960.27 = 2,257.93/x
  3. Step 3: Cross multiply
    6,640.39x = 9,960.27 × 2,257.93
  4. Step 4: Simplify right side
    6,640.39x = 22,489,592.44
  5. Step 5: Solve for x
    x = 22,489,592.44/6,640.39
  6. Step 6: Final answer
    x = 3,386.79

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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.