Home / 7,229.39-10,845.77-2,787.71

Finding the Fourth Proportional to 7,229.39, 10,845.77 and 2,787.71

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Solution

The fourth proportional to 7,229.39, 10,845.77 and 2,787.71 is: 4,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.39 : 10,845.77 = 2,787.71 : x
  2. Step 2: Convert to fraction form
    7,229.39/10,845.77 = 2,787.71/x
  3. Step 3: Cross multiply
    7,229.39x = 10,845.77 × 2,787.71
  4. Step 4: Simplify right side
    7,229.39x = 30,234,793.32
  5. Step 5: Solve for x
    x = 30,234,793.32/7,229.39
  6. Step 6: Final answer
    x = 4,182.21

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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.