Home / 4,135.05-5,711.07-2,806.44

Finding the Fourth Proportional to 4,135.05, 5,711.07 and 2,806.44

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Solution

The fourth proportional to 4,135.05, 5,711.07 and 2,806.44 is: 3,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.05 : 5,711.07 = 2,806.44 : x
  2. Step 2: Convert to fraction form
    4,135.05/5,711.07 = 2,806.44/x
  3. Step 3: Cross multiply
    4,135.05x = 5,711.07 × 2,806.44
  4. Step 4: Simplify right side
    4,135.05x = 16,027,775.29
  5. Step 5: Solve for x
    x = 16,027,775.29/4,135.05
  6. Step 6: Final answer
    x = 3,876.08

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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.