Home / 6,665.24-9,994.51-2,221.33

Finding the Fourth Proportional to 6,665.24, 9,994.51 and 2,221.33

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Solution

The fourth proportional to 6,665.24, 9,994.51 and 2,221.33 is: 3,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.24 : 9,994.51 = 2,221.33 : x
  2. Step 2: Convert to fraction form
    6,665.24/9,994.51 = 2,221.33/x
  3. Step 3: Cross multiply
    6,665.24x = 9,994.51 × 2,221.33
  4. Step 4: Simplify right side
    6,665.24x = 22,201,093.79
  5. Step 5: Solve for x
    x = 22,201,093.79/6,665.24
  6. Step 6: Final answer
    x = 3,330.88

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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.