Home / 6,922.35-9,553.05-3,938.61

Finding the Fourth Proportional to 6,922.35, 9,553.05 and 3,938.61

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Solution

The fourth proportional to 6,922.35, 9,553.05 and 3,938.61 is: 5,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.35 : 9,553.05 = 3,938.61 : x
  2. Step 2: Convert to fraction form
    6,922.35/9,553.05 = 3,938.61/x
  3. Step 3: Cross multiply
    6,922.35x = 9,553.05 × 3,938.61
  4. Step 4: Simplify right side
    6,922.35x = 37,625,738.26
  5. Step 5: Solve for x
    x = 37,625,738.26/6,922.35
  6. Step 6: Final answer
    x = 5,435.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.