Home / 7,766.91-11,645.34-3,327.48

Finding the Fourth Proportional to 7,766.91, 11,645.34 and 3,327.48

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Solution

The fourth proportional to 7,766.91, 11,645.34 and 3,327.48 is: 4,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.91 : 11,645.34 = 3,327.48 : x
  2. Step 2: Convert to fraction form
    7,766.91/11,645.34 = 3,327.48/x
  3. Step 3: Cross multiply
    7,766.91x = 11,645.34 × 3,327.48
  4. Step 4: Simplify right side
    7,766.91x = 38,749,635.94
  5. Step 5: Solve for x
    x = 38,749,635.94/7,766.91
  6. Step 6: Final answer
    x = 4,989.07

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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.