Home / 5,472.72-8,205.83-4,299.84

Finding the Fourth Proportional to 5,472.72, 8,205.83 and 4,299.84

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Solution

The fourth proportional to 5,472.72, 8,205.83 and 4,299.84 is: 6,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.72 : 8,205.83 = 4,299.84 : x
  2. Step 2: Convert to fraction form
    5,472.72/8,205.83 = 4,299.84/x
  3. Step 3: Cross multiply
    5,472.72x = 8,205.83 × 4,299.84
  4. Step 4: Simplify right side
    5,472.72x = 35,283,734.57
  5. Step 5: Solve for x
    x = 35,283,734.57/5,472.72
  6. Step 6: Final answer
    x = 6,447.20

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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.