Home / 7,449.82-11,178.60-3,292.70

Finding the Fourth Proportional to 7,449.82, 11,178.60 and 3,292.70

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Solution

The fourth proportional to 7,449.82, 11,178.60 and 3,292.70 is: 4,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.82 : 11,178.60 = 3,292.70 : x
  2. Step 2: Convert to fraction form
    7,449.82/11,178.60 = 3,292.70/x
  3. Step 3: Cross multiply
    7,449.82x = 11,178.60 × 3,292.70
  4. Step 4: Simplify right side
    7,449.82x = 36,807,720.33
  5. Step 5: Solve for x
    x = 36,807,720.33/7,449.82
  6. Step 6: Final answer
    x = 4,940.76

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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.