Home / 5,249.63-7,244.48-2,891.82

Finding the Fourth Proportional to 5,249.63, 7,244.48 and 2,891.82

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Solution

The fourth proportional to 5,249.63, 7,244.48 and 2,891.82 is: 3,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.63 : 7,244.48 = 2,891.82 : x
  2. Step 2: Convert to fraction form
    5,249.63/7,244.48 = 2,891.82/x
  3. Step 3: Cross multiply
    5,249.63x = 7,244.48 × 2,891.82
  4. Step 4: Simplify right side
    5,249.63x = 20,949,712.22
  5. Step 5: Solve for x
    x = 20,949,712.22/5,249.63
  6. Step 6: Final answer
    x = 3,990.71

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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.