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Finding the Fourth Proportional to 6,654.35, 9,183.48 and 3,822.19

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Solution

The fourth proportional to 6,654.35, 9,183.48 and 3,822.19 is: 5,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.35 : 9,183.48 = 3,822.19 : x
  2. Step 2: Convert to fraction form
    6,654.35/9,183.48 = 3,822.19/x
  3. Step 3: Cross multiply
    6,654.35x = 9,183.48 × 3,822.19
  4. Step 4: Simplify right side
    6,654.35x = 35,100,968.13
  5. Step 5: Solve for x
    x = 35,100,968.13/6,654.35
  6. Step 6: Final answer
    x = 5,274.89

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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.