Home / 5,626.28-8,439.84-2,163.53

Finding the Fourth Proportional to 5,626.28, 8,439.84 and 2,163.53

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Solution

The fourth proportional to 5,626.28, 8,439.84 and 2,163.53 is: 3,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.28 : 8,439.84 = 2,163.53 : x
  2. Step 2: Convert to fraction form
    5,626.28/8,439.84 = 2,163.53/x
  3. Step 3: Cross multiply
    5,626.28x = 8,439.84 × 2,163.53
  4. Step 4: Simplify right side
    5,626.28x = 18,259,847.04
  5. Step 5: Solve for x
    x = 18,259,847.04/5,626.28
  6. Step 6: Final answer
    x = 3,245.46

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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.