Home / 4,910.33-6,775.89-2,786.31

Finding the Fourth Proportional to 4,910.33, 6,775.89 and 2,786.31

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Solution

The fourth proportional to 4,910.33, 6,775.89 and 2,786.31 is: 3,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.33 : 6,775.89 = 2,786.31 : x
  2. Step 2: Convert to fraction form
    4,910.33/6,775.89 = 2,786.31/x
  3. Step 3: Cross multiply
    4,910.33x = 6,775.89 × 2,786.31
  4. Step 4: Simplify right side
    4,910.33x = 18,879,696.19
  5. Step 5: Solve for x
    x = 18,879,696.19/4,910.33
  6. Step 6: Final answer
    x = 3,844.90

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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.