Home / 5,205.25-7,181.49-2,965.56

Finding the Fourth Proportional to 5,205.25, 7,181.49 and 2,965.56

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Solution

The fourth proportional to 5,205.25, 7,181.49 and 2,965.56 is: 4,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.25 : 7,181.49 = 2,965.56 : x
  2. Step 2: Convert to fraction form
    5,205.25/7,181.49 = 2,965.56/x
  3. Step 3: Cross multiply
    5,205.25x = 7,181.49 × 2,965.56
  4. Step 4: Simplify right side
    5,205.25x = 21,297,139.48
  5. Step 5: Solve for x
    x = 21,297,139.48/5,205.25
  6. Step 6: Final answer
    x = 4,091.47

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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.