Home / 8,229.61-11,356.78-4,452.69

Finding the Fourth Proportional to 8,229.61, 11,356.78 and 4,452.69

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Solution

The fourth proportional to 8,229.61, 11,356.78 and 4,452.69 is: 6,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.61 : 11,356.78 = 4,452.69 : x
  2. Step 2: Convert to fraction form
    8,229.61/11,356.78 = 4,452.69/x
  3. Step 3: Cross multiply
    8,229.61x = 11,356.78 × 4,452.69
  4. Step 4: Simplify right side
    8,229.61x = 50,568,220.74
  5. Step 5: Solve for x
    x = 50,568,220.74/8,229.61
  6. Step 6: Final answer
    x = 6,144.67

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.