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Finding the Fourth Proportional to 6,626.39, 9,933.39 and 2,240.78

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Solution

The fourth proportional to 6,626.39, 9,933.39 and 2,240.78 is: 3,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.39 : 9,933.39 = 2,240.78 : x
  2. Step 2: Convert to fraction form
    6,626.39/9,933.39 = 2,240.78/x
  3. Step 3: Cross multiply
    6,626.39x = 9,933.39 × 2,240.78
  4. Step 4: Simplify right side
    6,626.39x = 22,258,491.98
  5. Step 5: Solve for x
    x = 22,258,491.98/6,626.39
  6. Step 6: Final answer
    x = 3,359.07

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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.