Home / 4,945.09-6,822.52-2,819.09

Finding the Fourth Proportional to 4,945.09, 6,822.52 and 2,819.09

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Solution

The fourth proportional to 4,945.09, 6,822.52 and 2,819.09 is: 3,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.09 : 6,822.52 = 2,819.09 : x
  2. Step 2: Convert to fraction form
    4,945.09/6,822.52 = 2,819.09/x
  3. Step 3: Cross multiply
    4,945.09x = 6,822.52 × 2,819.09
  4. Step 4: Simplify right side
    4,945.09x = 19,233,249.70
  5. Step 5: Solve for x
    x = 19,233,249.70/4,945.09
  6. Step 6: Final answer
    x = 3,889.37

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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.