Home / 10,775.76-16,161.81-2,982.75

Finding the Fourth Proportional to 10,775.76, 16,161.81 and 2,982.75

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Solution

The fourth proportional to 10,775.76, 16,161.81 and 2,982.75 is: 4,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.76 : 16,161.81 = 2,982.75 : x
  2. Step 2: Convert to fraction form
    10,775.76/16,161.81 = 2,982.75/x
  3. Step 3: Cross multiply
    10,775.76x = 16,161.81 × 2,982.75
  4. Step 4: Simplify right side
    10,775.76x = 48,206,638.78
  5. Step 5: Solve for x
    x = 48,206,638.78/10,775.76
  6. Step 6: Final answer
    x = 4,473.62

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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.