Home / 6,612.21-9,912.78-2,449.89

Finding the Fourth Proportional to 6,612.21, 9,912.78 and 2,449.89

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Solution

The fourth proportional to 6,612.21, 9,912.78 and 2,449.89 is: 3,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.21 : 9,912.78 = 2,449.89 : x
  2. Step 2: Convert to fraction form
    6,612.21/9,912.78 = 2,449.89/x
  3. Step 3: Cross multiply
    6,612.21x = 9,912.78 × 2,449.89
  4. Step 4: Simplify right side
    6,612.21x = 24,285,220.59
  5. Step 5: Solve for x
    x = 24,285,220.59/6,612.21
  6. Step 6: Final answer
    x = 3,672.78

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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.