Home / 7,491.85-11,234.09-4,372.61

Finding the Fourth Proportional to 7,491.85, 11,234.09 and 4,372.61

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Solution

The fourth proportional to 7,491.85, 11,234.09 and 4,372.61 is: 6,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.85 : 11,234.09 = 4,372.61 : x
  2. Step 2: Convert to fraction form
    7,491.85/11,234.09 = 4,372.61/x
  3. Step 3: Cross multiply
    7,491.85x = 11,234.09 × 4,372.61
  4. Step 4: Simplify right side
    7,491.85x = 49,122,249.04
  5. Step 5: Solve for x
    x = 49,122,249.04/7,491.85
  6. Step 6: Final answer
    x = 6,556.76

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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.