Home / 7,622.20-11,433.30-3,923.20

Finding the Fourth Proportional to 7,622.20, 11,433.30 and 3,923.20

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Solution

The fourth proportional to 7,622.20, 11,433.30 and 3,923.20 is: 5,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.20 : 11,433.30 = 3,923.20 : x
  2. Step 2: Convert to fraction form
    7,622.20/11,433.30 = 3,923.20/x
  3. Step 3: Cross multiply
    7,622.20x = 11,433.30 × 3,923.20
  4. Step 4: Simplify right side
    7,622.20x = 44,855,122.56
  5. Step 5: Solve for x
    x = 44,855,122.56/7,622.20
  6. Step 6: Final answer
    x = 5,884.80

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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.