Home / 5,512.72-8,270.88-2,224.12

Finding the Fourth Proportional to 5,512.72, 8,270.88 and 2,224.12

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Solution

The fourth proportional to 5,512.72, 8,270.88 and 2,224.12 is: 3,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.72 : 8,270.88 = 2,224.12 : x
  2. Step 2: Convert to fraction form
    5,512.72/8,270.88 = 2,224.12/x
  3. Step 3: Cross multiply
    5,512.72x = 8,270.88 × 2,224.12
  4. Step 4: Simplify right side
    5,512.72x = 18,395,429.63
  5. Step 5: Solve for x
    x = 18,395,429.63/5,512.72
  6. Step 6: Final answer
    x = 3,336.91

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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.