Home / 5,626.38-8,439.98-2,163.63

Finding the Fourth Proportional to 5,626.38, 8,439.98 and 2,163.63

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Solution

The fourth proportional to 5,626.38, 8,439.98 and 2,163.63 is: 3,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.38 : 8,439.98 = 2,163.63 : x
  2. Step 2: Convert to fraction form
    5,626.38/8,439.98 = 2,163.63/x
  3. Step 3: Cross multiply
    5,626.38x = 8,439.98 × 2,163.63
  4. Step 4: Simplify right side
    5,626.38x = 18,260,993.93
  5. Step 5: Solve for x
    x = 18,260,993.93/5,626.38
  6. Step 6: Final answer
    x = 3,245.60

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Double scale
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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.