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Finding the Fourth Proportional to 4,950.66, 6,832.98 and 2,961.66

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Solution

The fourth proportional to 4,950.66, 6,832.98 and 2,961.66 is: 4,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.66 : 6,832.98 = 2,961.66 : x
  2. Step 2: Convert to fraction form
    4,950.66/6,832.98 = 2,961.66/x
  3. Step 3: Cross multiply
    4,950.66x = 6,832.98 × 2,961.66
  4. Step 4: Simplify right side
    4,950.66x = 20,236,963.55
  5. Step 5: Solve for x
    x = 20,236,963.55/4,950.66
  6. Step 6: Final answer
    x = 4,087.73

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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.