Home / 6,821.22-10,231.37-2,660.46

Finding the Fourth Proportional to 6,821.22, 10,231.37 and 2,660.46

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Solution

The fourth proportional to 6,821.22, 10,231.37 and 2,660.46 is: 3,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.22 : 10,231.37 = 2,660.46 : x
  2. Step 2: Convert to fraction form
    6,821.22/10,231.37 = 2,660.46/x
  3. Step 3: Cross multiply
    6,821.22x = 10,231.37 × 2,660.46
  4. Step 4: Simplify right side
    6,821.22x = 27,220,150.63
  5. Step 5: Solve for x
    x = 27,220,150.63/6,821.22
  6. Step 6: Final answer
    x = 3,990.51

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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.