Home / 6,239.56-8,608.74-3,997.48

Finding the Fourth Proportional to 6,239.56, 8,608.74 and 3,997.48

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Solution

The fourth proportional to 6,239.56, 8,608.74 and 3,997.48 is: 5,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.56 : 8,608.74 = 3,997.48 : x
  2. Step 2: Convert to fraction form
    6,239.56/8,608.74 = 3,997.48/x
  3. Step 3: Cross multiply
    6,239.56x = 8,608.74 × 3,997.48
  4. Step 4: Simplify right side
    6,239.56x = 34,413,265.98
  5. Step 5: Solve for x
    x = 34,413,265.98/6,239.56
  6. Step 6: Final answer
    x = 5,515.34

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.