Home / 7,215.54-10,819.26-2,286.42

Finding the Fourth Proportional to 7,215.54, 10,819.26 and 2,286.42

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Solution

The fourth proportional to 7,215.54, 10,819.26 and 2,286.42 is: 3,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.54 : 10,819.26 = 2,286.42 : x
  2. Step 2: Convert to fraction form
    7,215.54/10,819.26 = 2,286.42/x
  3. Step 3: Cross multiply
    7,215.54x = 10,819.26 × 2,286.42
  4. Step 4: Simplify right side
    7,215.54x = 24,737,372.45
  5. Step 5: Solve for x
    x = 24,737,372.45/7,215.54
  6. Step 6: Final answer
    x = 3,428.35

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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.