Home / 5,414.09-7,471.38-2,930.09

Finding the Fourth Proportional to 5,414.09, 7,471.38 and 2,930.09

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Solution

The fourth proportional to 5,414.09, 7,471.38 and 2,930.09 is: 4,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.09 : 7,471.38 = 2,930.09 : x
  2. Step 2: Convert to fraction form
    5,414.09/7,471.38 = 2,930.09/x
  3. Step 3: Cross multiply
    5,414.09x = 7,471.38 × 2,930.09
  4. Step 4: Simplify right side
    5,414.09x = 21,891,778.47
  5. Step 5: Solve for x
    x = 21,891,778.47/5,414.09
  6. Step 6: Final answer
    x = 4,043.49

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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.