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Finding the Fourth Proportional to 6,481.28, 8,944.22 and 3,830.02

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Solution

The fourth proportional to 6,481.28, 8,944.22 and 3,830.02 is: 5,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.28 : 8,944.22 = 3,830.02 : x
  2. Step 2: Convert to fraction form
    6,481.28/8,944.22 = 3,830.02/x
  3. Step 3: Cross multiply
    6,481.28x = 8,944.22 × 3,830.02
  4. Step 4: Simplify right side
    6,481.28x = 34,256,528.70
  5. Step 5: Solve for x
    x = 34,256,528.70/6,481.28
  6. Step 6: Final answer
    x = 5,285.46

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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.