Home / 7,716.20-10,648.41-4,179.41

Finding the Fourth Proportional to 7,716.20, 10,648.41 and 4,179.41

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Solution

The fourth proportional to 7,716.20, 10,648.41 and 4,179.41 is: 5,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.20 : 10,648.41 = 4,179.41 : x
  2. Step 2: Convert to fraction form
    7,716.20/10,648.41 = 4,179.41/x
  3. Step 3: Cross multiply
    7,716.20x = 10,648.41 × 4,179.41
  4. Step 4: Simplify right side
    7,716.20x = 44,504,125.66
  5. Step 5: Solve for x
    x = 44,504,125.66/7,716.20
  6. Step 6: Final answer
    x = 5,767.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.