Home / 4,872.28-7,306.26-3,412.12

Finding the Fourth Proportional to 4,872.28, 7,306.26 and 3,412.12

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Solution

The fourth proportional to 4,872.28, 7,306.26 and 3,412.12 is: 5,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.28 : 7,306.26 = 3,412.12 : x
  2. Step 2: Convert to fraction form
    4,872.28/7,306.26 = 3,412.12/x
  3. Step 3: Cross multiply
    4,872.28x = 7,306.26 × 3,412.12
  4. Step 4: Simplify right side
    4,872.28x = 24,929,835.87
  5. Step 5: Solve for x
    x = 24,929,835.87/4,872.28
  6. Step 6: Final answer
    x = 5,116.67

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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.