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Finding the Fourth Proportional to 4,906.67, 6,771.29 and 2,668.59

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Solution

The fourth proportional to 4,906.67, 6,771.29 and 2,668.59 is: 3,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.67 : 6,771.29 = 2,668.59 : x
  2. Step 2: Convert to fraction form
    4,906.67/6,771.29 = 2,668.59/x
  3. Step 3: Cross multiply
    4,906.67x = 6,771.29 × 2,668.59
  4. Step 4: Simplify right side
    4,906.67x = 18,069,783.44
  5. Step 5: Solve for x
    x = 18,069,783.44/4,906.67
  6. Step 6: Final answer
    x = 3,682.70

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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.