Home / 4,821.32-7,229.23-2,874.89

Finding the Fourth Proportional to 4,821.32, 7,229.23 and 2,874.89

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Solution

The fourth proportional to 4,821.32, 7,229.23 and 2,874.89 is: 4,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.32 : 7,229.23 = 2,874.89 : x
  2. Step 2: Convert to fraction form
    4,821.32/7,229.23 = 2,874.89/x
  3. Step 3: Cross multiply
    4,821.32x = 7,229.23 × 2,874.89
  4. Step 4: Simplify right side
    4,821.32x = 20,783,241.03
  5. Step 5: Solve for x
    x = 20,783,241.03/4,821.32
  6. Step 6: Final answer
    x = 4,310.70

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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.