Home / 5,472.10-8,212.20-3,622.60

Finding the Fourth Proportional to 5,472.10, 8,212.20 and 3,622.60

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Solution

The fourth proportional to 5,472.10, 8,212.20 and 3,622.60 is: 5,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.10 : 8,212.20 = 3,622.60 : x
  2. Step 2: Convert to fraction form
    5,472.10/8,212.20 = 3,622.60/x
  3. Step 3: Cross multiply
    5,472.10x = 8,212.20 × 3,622.60
  4. Step 4: Simplify right side
    5,472.10x = 29,749,515.72
  5. Step 5: Solve for x
    x = 29,749,515.72/5,472.10
  6. Step 6: Final answer
    x = 5,436.58

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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.