Home / 7,092.45-9,787.56-3,949.38

Finding the Fourth Proportional to 7,092.45, 9,787.56 and 3,949.38

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Solution

The fourth proportional to 7,092.45, 9,787.56 and 3,949.38 is: 5,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.45 : 9,787.56 = 3,949.38 : x
  2. Step 2: Convert to fraction form
    7,092.45/9,787.56 = 3,949.38/x
  3. Step 3: Cross multiply
    7,092.45x = 9,787.56 × 3,949.38
  4. Step 4: Simplify right side
    7,092.45x = 38,654,793.71
  5. Step 5: Solve for x
    x = 38,654,793.71/7,092.45
  6. Step 6: Final answer
    x = 5,450.13

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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.