Home / 6,857.46-10,286.19-1,663.29

Finding the Fourth Proportional to 6,857.46, 10,286.19 and 1,663.29

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Solution

The fourth proportional to 6,857.46, 10,286.19 and 1,663.29 is: 2,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.46 : 10,286.19 = 1,663.29 : x
  2. Step 2: Convert to fraction form
    6,857.46/10,286.19 = 1,663.29/x
  3. Step 3: Cross multiply
    6,857.46x = 10,286.19 × 1,663.29
  4. Step 4: Simplify right side
    6,857.46x = 17,108,916.97
  5. Step 5: Solve for x
    x = 17,108,916.97/6,857.46
  6. Step 6: Final answer
    x = 2,494.94

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Double scale
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Similar ratio
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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.