Home / 7,177.96-10,769.46-3,285.28

Finding the Fourth Proportional to 7,177.96, 10,769.46 and 3,285.28

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Solution

The fourth proportional to 7,177.96, 10,769.46 and 3,285.28 is: 4,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.96 : 10,769.46 = 3,285.28 : x
  2. Step 2: Convert to fraction form
    7,177.96/10,769.46 = 3,285.28/x
  3. Step 3: Cross multiply
    7,177.96x = 10,769.46 × 3,285.28
  4. Step 4: Simplify right side
    7,177.96x = 35,380,691.55
  5. Step 5: Solve for x
    x = 35,380,691.55/7,177.96
  6. Step 6: Final answer
    x = 4,929.07

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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.