Home / 7,150.56-10,728-4,819.92

Finding the Fourth Proportional to 7,150.56, 10,728 and 4,819.92

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Solution

The fourth proportional to 7,150.56, 10,728 and 4,819.92 is: 7,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.56 : 10,728 = 4,819.92 : x
  2. Step 2: Convert to fraction form
    7,150.56/10,728 = 4,819.92/x
  3. Step 3: Cross multiply
    7,150.56x = 10,728 × 4,819.92
  4. Step 4: Simplify right side
    7,150.56x = 51,708,101.76
  5. Step 5: Solve for x
    x = 51,708,101.76/7,150.56
  6. Step 6: Final answer
    x = 7,231.34

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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.