Home / 7,489.82-11,234.80-3,328.70

Finding the Fourth Proportional to 7,489.82, 11,234.80 and 3,328.70

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Solution

The fourth proportional to 7,489.82, 11,234.80 and 3,328.70 is: 4,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.82 : 11,234.80 = 3,328.70 : x
  2. Step 2: Convert to fraction form
    7,489.82/11,234.80 = 3,328.70/x
  3. Step 3: Cross multiply
    7,489.82x = 11,234.80 × 3,328.70
  4. Step 4: Simplify right side
    7,489.82x = 37,397,278.76
  5. Step 5: Solve for x
    x = 37,397,278.76/7,489.82
  6. Step 6: Final answer
    x = 4,993.08

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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.