Home / 5,471.33-8,205.37-2,872.85

Finding the Fourth Proportional to 5,471.33, 8,205.37 and 2,872.85

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Solution

The fourth proportional to 5,471.33, 8,205.37 and 2,872.85 is: 4,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.33 : 8,205.37 = 2,872.85 : x
  2. Step 2: Convert to fraction form
    5,471.33/8,205.37 = 2,872.85/x
  3. Step 3: Cross multiply
    5,471.33x = 8,205.37 × 2,872.85
  4. Step 4: Simplify right side
    5,471.33x = 23,572,749.00
  5. Step 5: Solve for x
    x = 23,572,749.00/5,471.33
  6. Step 6: Final answer
    x = 4,308.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.