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Finding the Fourth Proportional to 6,327.97, 9,491.96 and 1,945.40

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Solution

The fourth proportional to 6,327.97, 9,491.96 and 1,945.40 is: 2,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.97 : 9,491.96 = 1,945.40 : x
  2. Step 2: Convert to fraction form
    6,327.97/9,491.96 = 1,945.40/x
  3. Step 3: Cross multiply
    6,327.97x = 9,491.96 × 1,945.40
  4. Step 4: Simplify right side
    6,327.97x = 18,465,616.39
  5. Step 5: Solve for x
    x = 18,465,616.39/6,327.97
  6. Step 6: Final answer
    x = 2,918.10

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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.