Home / 6,377.34-9,568.47-2,217.78

Finding the Fourth Proportional to 6,377.34, 9,568.47 and 2,217.78

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Solution

The fourth proportional to 6,377.34, 9,568.47 and 2,217.78 is: 3,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.34 : 9,568.47 = 2,217.78 : x
  2. Step 2: Convert to fraction form
    6,377.34/9,568.47 = 2,217.78/x
  3. Step 3: Cross multiply
    6,377.34x = 9,568.47 × 2,217.78
  4. Step 4: Simplify right side
    6,377.34x = 21,220,761.40
  5. Step 5: Solve for x
    x = 21,220,761.40/6,377.34
  6. Step 6: Final answer
    x = 3,327.53

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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.