Home / 7,486.20-11,229.30-5,736.60

Finding the Fourth Proportional to 7,486.20, 11,229.30 and 5,736.60

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Solution

The fourth proportional to 7,486.20, 11,229.30 and 5,736.60 is: 8,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.20 : 11,229.30 = 5,736.60 : x
  2. Step 2: Convert to fraction form
    7,486.20/11,229.30 = 5,736.60/x
  3. Step 3: Cross multiply
    7,486.20x = 11,229.30 × 5,736.60
  4. Step 4: Simplify right side
    7,486.20x = 64,418,002.38
  5. Step 5: Solve for x
    x = 64,418,002.38/7,486.20
  6. Step 6: Final answer
    x = 8,604.90

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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.