Home / 6,861.74-9,469.38-4,207.62

Finding the Fourth Proportional to 6,861.74, 9,469.38 and 4,207.62

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Solution

The fourth proportional to 6,861.74, 9,469.38 and 4,207.62 is: 5,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.74 : 9,469.38 = 4,207.62 : x
  2. Step 2: Convert to fraction form
    6,861.74/9,469.38 = 4,207.62/x
  3. Step 3: Cross multiply
    6,861.74x = 9,469.38 × 4,207.62
  4. Step 4: Simplify right side
    6,861.74x = 39,843,552.68
  5. Step 5: Solve for x
    x = 39,843,552.68/6,861.74
  6. Step 6: Final answer
    x = 5,806.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.