Home / 6,662.31-9,194.28-3,830.60

Finding the Fourth Proportional to 6,662.31, 9,194.28 and 3,830.60

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Solution

The fourth proportional to 6,662.31, 9,194.28 and 3,830.60 is: 5,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.31 : 9,194.28 = 3,830.60 : x
  2. Step 2: Convert to fraction form
    6,662.31/9,194.28 = 3,830.60/x
  3. Step 3: Cross multiply
    6,662.31x = 9,194.28 × 3,830.60
  4. Step 4: Simplify right side
    6,662.31x = 35,219,608.97
  5. Step 5: Solve for x
    x = 35,219,608.97/6,662.31
  6. Step 6: Final answer
    x = 5,286.40

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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.