Home / 7,884.22-11,819.92-2,951.10

Finding the Fourth Proportional to 7,884.22, 11,819.92 and 2,951.10

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Solution

The fourth proportional to 7,884.22, 11,819.92 and 2,951.10 is: 4,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.22 : 11,819.92 = 2,951.10 : x
  2. Step 2: Convert to fraction form
    7,884.22/11,819.92 = 2,951.10/x
  3. Step 3: Cross multiply
    7,884.22x = 11,819.92 × 2,951.10
  4. Step 4: Simplify right side
    7,884.22x = 34,881,699.43
  5. Step 5: Solve for x
    x = 34,881,699.43/7,884.22
  6. Step 6: Final answer
    x = 4,424.24

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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.