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Finding the Fourth Proportional to 6,466.41, 8,924.58 and 3,949.97

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Solution

The fourth proportional to 6,466.41, 8,924.58 and 3,949.97 is: 5,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466.41 : 8,924.58 = 3,949.97 : x
  2. Step 2: Convert to fraction form
    6,466.41/8,924.58 = 3,949.97/x
  3. Step 3: Cross multiply
    6,466.41x = 8,924.58 × 3,949.97
  4. Step 4: Simplify right side
    6,466.41x = 35,251,778.64
  5. Step 5: Solve for x
    x = 35,251,778.64/6,466.41
  6. Step 6: Final answer
    x = 5,451.52

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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.