Home / 6,664.35-9,994.32-2,221.02

Finding the Fourth Proportional to 6,664.35, 9,994.32 and 2,221.02

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Solution

The fourth proportional to 6,664.35, 9,994.32 and 2,221.02 is: 3,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.35 : 9,994.32 = 2,221.02 : x
  2. Step 2: Convert to fraction form
    6,664.35/9,994.32 = 2,221.02/x
  3. Step 3: Cross multiply
    6,664.35x = 9,994.32 × 2,221.02
  4. Step 4: Simplify right side
    6,664.35x = 22,197,584.61
  5. Step 5: Solve for x
    x = 22,197,584.61/6,664.35
  6. Step 6: Final answer
    x = 3,330.80

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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.