Home / 8,147.27-12,221.73-2,224.28

Finding the Fourth Proportional to 8,147.27, 12,221.73 and 2,224.28

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Solution

The fourth proportional to 8,147.27, 12,221.73 and 2,224.28 is: 3,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.27 : 12,221.73 = 2,224.28 : x
  2. Step 2: Convert to fraction form
    8,147.27/12,221.73 = 2,224.28/x
  3. Step 3: Cross multiply
    8,147.27x = 12,221.73 × 2,224.28
  4. Step 4: Simplify right side
    8,147.27x = 27,184,549.60
  5. Step 5: Solve for x
    x = 27,184,549.60/8,147.27
  6. Step 6: Final answer
    x = 3,336.65

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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.