Home / 7,423.52-11,135.82-2,229.80

Finding the Fourth Proportional to 7,423.52, 11,135.82 and 2,229.80

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Solution

The fourth proportional to 7,423.52, 11,135.82 and 2,229.80 is: 3,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.52 : 11,135.82 = 2,229.80 : x
  2. Step 2: Convert to fraction form
    7,423.52/11,135.82 = 2,229.80/x
  3. Step 3: Cross multiply
    7,423.52x = 11,135.82 × 2,229.80
  4. Step 4: Simplify right side
    7,423.52x = 24,830,651.44
  5. Step 5: Solve for x
    x = 24,830,651.44/7,423.52
  6. Step 6: Final answer
    x = 3,344.86

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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.