Home / 7,191.05-10,789.17-2,511.75

Finding the Fourth Proportional to 7,191.05, 10,789.17 and 2,511.75

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Solution

The fourth proportional to 7,191.05, 10,789.17 and 2,511.75 is: 3,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.05 : 10,789.17 = 2,511.75 : x
  2. Step 2: Convert to fraction form
    7,191.05/10,789.17 = 2,511.75/x
  3. Step 3: Cross multiply
    7,191.05x = 10,789.17 × 2,511.75
  4. Step 4: Simplify right side
    7,191.05x = 27,099,697.75
  5. Step 5: Solve for x
    x = 27,099,697.75/7,191.05
  6. Step 6: Final answer
    x = 3,768.53

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1.5x scale

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.