Home / 4,910.60-6,776.11-2,785.45

Finding the Fourth Proportional to 4,910.60, 6,776.11 and 2,785.45

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Solution

The fourth proportional to 4,910.60, 6,776.11 and 2,785.45 is: 3,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.60 : 6,776.11 = 2,785.45 : x
  2. Step 2: Convert to fraction form
    4,910.60/6,776.11 = 2,785.45/x
  3. Step 3: Cross multiply
    4,910.60x = 6,776.11 × 2,785.45
  4. Step 4: Simplify right side
    4,910.60x = 18,874,514.85
  5. Step 5: Solve for x
    x = 18,874,514.85/4,910.60
  6. Step 6: Final answer
    x = 3,843.63

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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.