Home / 7,219.20-10,824.96-2,286.72

Finding the Fourth Proportional to 7,219.20, 10,824.96 and 2,286.72

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Solution

The fourth proportional to 7,219.20, 10,824.96 and 2,286.72 is: 3,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.20 : 10,824.96 = 2,286.72 : x
  2. Step 2: Convert to fraction form
    7,219.20/10,824.96 = 2,286.72/x
  3. Step 3: Cross multiply
    7,219.20x = 10,824.96 × 2,286.72
  4. Step 4: Simplify right side
    7,219.20x = 24,753,652.53
  5. Step 5: Solve for x
    x = 24,753,652.53/7,219.20
  6. Step 6: Final answer
    x = 3,428.86

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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.