Home / 4,906.83-6,771.40-2,668.69

Finding the Fourth Proportional to 4,906.83, 6,771.40 and 2,668.69

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Solution

The fourth proportional to 4,906.83, 6,771.40 and 2,668.69 is: 3,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.83 : 6,771.40 = 2,668.69 : x
  2. Step 2: Convert to fraction form
    4,906.83/6,771.40 = 2,668.69/x
  3. Step 3: Cross multiply
    4,906.83x = 6,771.40 × 2,668.69
  4. Step 4: Simplify right side
    4,906.83x = 18,070,767.47
  5. Step 5: Solve for x
    x = 18,070,767.47/4,906.83
  6. Step 6: Final answer
    x = 3,682.78

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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.