Home / 5,221.34-7,205.55-2,863.34

Finding the Fourth Proportional to 5,221.34, 7,205.55 and 2,863.34

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Solution

The fourth proportional to 5,221.34, 7,205.55 and 2,863.34 is: 3,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.34 : 7,205.55 = 2,863.34 : x
  2. Step 2: Convert to fraction form
    5,221.34/7,205.55 = 2,863.34/x
  3. Step 3: Cross multiply
    5,221.34x = 7,205.55 × 2,863.34
  4. Step 4: Simplify right side
    5,221.34x = 20,631,939.54
  5. Step 5: Solve for x
    x = 20,631,939.54/5,221.34
  6. Step 6: Final answer
    x = 3,951.46

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Half scale
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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.