Home / 6,664.35-9,989.34-3,377.70

Finding the Fourth Proportional to 6,664.35, 9,989.34 and 3,377.70

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Solution

The fourth proportional to 6,664.35, 9,989.34 and 3,377.70 is: 5,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.35 : 9,989.34 = 3,377.70 : x
  2. Step 2: Convert to fraction form
    6,664.35/9,989.34 = 3,377.70/x
  3. Step 3: Cross multiply
    6,664.35x = 9,989.34 × 3,377.70
  4. Step 4: Simplify right side
    6,664.35x = 33,740,943.77
  5. Step 5: Solve for x
    x = 33,740,943.77/6,664.35
  6. Step 6: Final answer
    x = 5,062.90

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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.