Home / 7,181.27-10,771.90-2,251.34

Finding the Fourth Proportional to 7,181.27, 10,771.90 and 2,251.34

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Solution

The fourth proportional to 7,181.27, 10,771.90 and 2,251.34 is: 3,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.27 : 10,771.90 = 2,251.34 : x
  2. Step 2: Convert to fraction form
    7,181.27/10,771.90 = 2,251.34/x
  3. Step 3: Cross multiply
    7,181.27x = 10,771.90 × 2,251.34
  4. Step 4: Simplify right side
    7,181.27x = 24,251,149.86
  5. Step 5: Solve for x
    x = 24,251,149.86/7,181.27
  6. Step 6: Final answer
    x = 3,377.00

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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.