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Finding the Fourth Proportional to 3,908.82, 5,867.18 and 3,466.98

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Solution

The fourth proportional to 3,908.82, 5,867.18 and 3,466.98 is: 5,203.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.82 : 5,867.18 = 3,466.98 : x
  2. Step 2: Convert to fraction form
    3,908.82/5,867.18 = 3,466.98/x
  3. Step 3: Cross multiply
    3,908.82x = 5,867.18 × 3,466.98
  4. Step 4: Simplify right side
    3,908.82x = 20,341,365.13
  5. Step 5: Solve for x
    x = 20,341,365.13/3,908.82
  6. Step 6: Final answer
    x = 5,203.97

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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.