Home / 8,213.65-11,334.83-4,436.81

Finding the Fourth Proportional to 8,213.65, 11,334.83 and 4,436.81

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Solution

The fourth proportional to 8,213.65, 11,334.83 and 4,436.81 is: 6,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.65 : 11,334.83 = 4,436.81 : x
  2. Step 2: Convert to fraction form
    8,213.65/11,334.83 = 4,436.81/x
  3. Step 3: Cross multiply
    8,213.65x = 11,334.83 × 4,436.81
  4. Step 4: Simplify right side
    8,213.65x = 50,290,487.09
  5. Step 5: Solve for x
    x = 50,290,487.09/8,213.65
  6. Step 6: Final answer
    x = 6,122.79

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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.