Home / 6,220.75-9,331.14-2,116.75

Finding the Fourth Proportional to 6,220.75, 9,331.14 and 2,116.75

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Solution

The fourth proportional to 6,220.75, 9,331.14 and 2,116.75 is: 3,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.75 : 9,331.14 = 2,116.75 : x
  2. Step 2: Convert to fraction form
    6,220.75/9,331.14 = 2,116.75/x
  3. Step 3: Cross multiply
    6,220.75x = 9,331.14 × 2,116.75
  4. Step 4: Simplify right side
    6,220.75x = 19,751,690.60
  5. Step 5: Solve for x
    x = 19,751,690.60/6,220.75
  6. Step 6: Final answer
    x = 3,175.13

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