Home / 4,910.35-6,775.87-2,785.42

Finding the Fourth Proportional to 4,910.35, 6,775.87 and 2,785.42

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Solution

The fourth proportional to 4,910.35, 6,775.87 and 2,785.42 is: 3,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.35 : 6,775.87 = 2,785.42 : x
  2. Step 2: Convert to fraction form
    4,910.35/6,775.87 = 2,785.42/x
  3. Step 3: Cross multiply
    4,910.35x = 6,775.87 × 2,785.42
  4. Step 4: Simplify right side
    4,910.35x = 18,873,596.01
  5. Step 5: Solve for x
    x = 18,873,596.01/4,910.35
  6. Step 6: Final answer
    x = 3,843.64

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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.