Home / 4,819.47-7,229.67-2,007.72

Finding the Fourth Proportional to 4,819.47, 7,229.67 and 2,007.72

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Solution

The fourth proportional to 4,819.47, 7,229.67 and 2,007.72 is: 3,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.47 : 7,229.67 = 2,007.72 : x
  2. Step 2: Convert to fraction form
    4,819.47/7,229.67 = 2,007.72/x
  3. Step 3: Cross multiply
    4,819.47x = 7,229.67 × 2,007.72
  4. Step 4: Simplify right side
    4,819.47x = 14,515,153.05
  5. Step 5: Solve for x
    x = 14,515,153.05/4,819.47
  6. Step 6: Final answer
    x = 3,011.77

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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.