Home / 8,213.70-11,334.89-4,436.87

Finding the Fourth Proportional to 8,213.70, 11,334.89 and 4,436.87

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Solution

The fourth proportional to 8,213.70, 11,334.89 and 4,436.87 is: 6,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.70 : 11,334.89 = 4,436.87 : x
  2. Step 2: Convert to fraction form
    8,213.70/11,334.89 = 4,436.87/x
  3. Step 3: Cross multiply
    8,213.70x = 11,334.89 × 4,436.87
  4. Step 4: Simplify right side
    8,213.70x = 50,291,433.39
  5. Step 5: Solve for x
    x = 50,291,433.39/8,213.70
  6. Step 6: Final answer
    x = 6,122.87

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Half 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.