Home / 4,817.72-7,219.79-2,282.12

Finding the Fourth Proportional to 4,817.72, 7,219.79 and 2,282.12

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Solution

The fourth proportional to 4,817.72, 7,219.79 and 2,282.12 is: 3,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.72 : 7,219.79 = 2,282.12 : x
  2. Step 2: Convert to fraction form
    4,817.72/7,219.79 = 2,282.12/x
  3. Step 3: Cross multiply
    4,817.72x = 7,219.79 × 2,282.12
  4. Step 4: Simplify right side
    4,817.72x = 16,476,450.91
  5. Step 5: Solve for x
    x = 16,476,450.91/4,817.72
  6. Step 6: Final answer
    x = 3,419.97

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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.