Home / 7,179.08-10,769.70-2,561

Finding the Fourth Proportional to 7,179.08, 10,769.70 and 2,561

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Solution

The fourth proportional to 7,179.08, 10,769.70 and 2,561 is: 3,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.08 : 10,769.70 = 2,561 : x
  2. Step 2: Convert to fraction form
    7,179.08/10,769.70 = 2,561/x
  3. Step 3: Cross multiply
    7,179.08x = 10,769.70 × 2,561
  4. Step 4: Simplify right side
    7,179.08x = 27,581,201.70
  5. Step 5: Solve for x
    x = 27,581,201.70/7,179.08
  6. Step 6: Final answer
    x = 3,841.89

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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.