Home / 4,910.91-6,775.90-2,785.97

Finding the Fourth Proportional to 4,910.91, 6,775.90 and 2,785.97

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Solution

The fourth proportional to 4,910.91, 6,775.90 and 2,785.97 is: 3,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.91 : 6,775.90 = 2,785.97 : x
  2. Step 2: Convert to fraction form
    4,910.91/6,775.90 = 2,785.97/x
  3. Step 3: Cross multiply
    4,910.91x = 6,775.90 × 2,785.97
  4. Step 4: Simplify right side
    4,910.91x = 18,877,440.19
  5. Step 5: Solve for x
    x = 18,877,440.19/4,910.91
  6. Step 6: Final answer
    x = 3,843.98

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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.