Home / 7,766.20-11,651.69-4,649.73

Finding the Fourth Proportional to 7,766.20, 11,651.69 and 4,649.73

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Solution

The fourth proportional to 7,766.20, 11,651.69 and 4,649.73 is: 6,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.20 : 11,651.69 = 4,649.73 : x
  2. Step 2: Convert to fraction form
    7,766.20/11,651.69 = 4,649.73/x
  3. Step 3: Cross multiply
    7,766.20x = 11,651.69 × 4,649.73
  4. Step 4: Simplify right side
    7,766.20x = 54,177,212.54
  5. Step 5: Solve for x
    x = 54,177,212.54/7,766.20
  6. Step 6: Final answer
    x = 6,976.03

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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.