Home / 4,873.72-7,310.94-2,099.80

Finding the Fourth Proportional to 4,873.72, 7,310.94 and 2,099.80

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Solution

The fourth proportional to 4,873.72, 7,310.94 and 2,099.80 is: 3,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.72 : 7,310.94 = 2,099.80 : x
  2. Step 2: Convert to fraction form
    4,873.72/7,310.94 = 2,099.80/x
  3. Step 3: Cross multiply
    4,873.72x = 7,310.94 × 2,099.80
  4. Step 4: Simplify right side
    4,873.72x = 15,351,511.81
  5. Step 5: Solve for x
    x = 15,351,511.81/4,873.72
  6. Step 6: Final answer
    x = 3,149.86

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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.