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Finding the Fourth Proportional to 6,221.82, 9,332.73 and 1,839.62

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Solution

The fourth proportional to 6,221.82, 9,332.73 and 1,839.62 is: 2,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.82 : 9,332.73 = 1,839.62 : x
  2. Step 2: Convert to fraction form
    6,221.82/9,332.73 = 1,839.62/x
  3. Step 3: Cross multiply
    6,221.82x = 9,332.73 × 1,839.62
  4. Step 4: Simplify right side
    6,221.82x = 17,168,676.76
  5. Step 5: Solve for x
    x = 17,168,676.76/6,221.82
  6. Step 6: Final answer
    x = 2,759.43

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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.