Home / 7,216.92-10,825.97-2,220.39

Finding the Fourth Proportional to 7,216.92, 10,825.97 and 2,220.39

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Solution

The fourth proportional to 7,216.92, 10,825.97 and 2,220.39 is: 3,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.92 : 10,825.97 = 2,220.39 : x
  2. Step 2: Convert to fraction form
    7,216.92/10,825.97 = 2,220.39/x
  3. Step 3: Cross multiply
    7,216.92x = 10,825.97 × 2,220.39
  4. Step 4: Simplify right side
    7,216.92x = 24,037,864.43
  5. Step 5: Solve for x
    x = 24,037,864.43/7,216.92
  6. Step 6: Final answer
    x = 3,330.76

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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.