Home / 6,716.64-10,074.66-2,820.78

Finding the Fourth Proportional to 6,716.64, 10,074.66 and 2,820.78

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Solution

The fourth proportional to 6,716.64, 10,074.66 and 2,820.78 is: 4,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,716.64 : 10,074.66 = 2,820.78 : x
  2. Step 2: Convert to fraction form
    6,716.64/10,074.66 = 2,820.78/x
  3. Step 3: Cross multiply
    6,716.64x = 10,074.66 × 2,820.78
  4. Step 4: Simplify right side
    6,716.64x = 28,418,399.43
  5. Step 5: Solve for x
    x = 28,418,399.43/6,716.64
  6. Step 6: Final answer
    x = 4,231.04

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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.