Home / 7,440.46-11,161.61-3,489.68

Finding the Fourth Proportional to 7,440.46, 11,161.61 and 3,489.68

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Solution

The fourth proportional to 7,440.46, 11,161.61 and 3,489.68 is: 5,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.46 : 11,161.61 = 3,489.68 : x
  2. Step 2: Convert to fraction form
    7,440.46/11,161.61 = 3,489.68/x
  3. Step 3: Cross multiply
    7,440.46x = 11,161.61 × 3,489.68
  4. Step 4: Simplify right side
    7,440.46x = 38,950,447.18
  5. Step 5: Solve for x
    x = 38,950,447.18/7,440.46
  6. Step 6: Final answer
    x = 5,234.95

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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.