Home / 7,212.32-10,819.92-3,052.31

Finding the Fourth Proportional to 7,212.32, 10,819.92 and 3,052.31

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Solution

The fourth proportional to 7,212.32, 10,819.92 and 3,052.31 is: 4,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.32 : 10,819.92 = 3,052.31 : x
  2. Step 2: Convert to fraction form
    7,212.32/10,819.92 = 3,052.31/x
  3. Step 3: Cross multiply
    7,212.32x = 10,819.92 × 3,052.31
  4. Step 4: Simplify right side
    7,212.32x = 33,025,750.02
  5. Step 5: Solve for x
    x = 33,025,750.02/7,212.32
  6. Step 6: Final answer
    x = 4,579.07

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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.