Home / 4,809.22-7,215.27-2,213.62

Finding the Fourth Proportional to 4,809.22, 7,215.27 and 2,213.62

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Solution

The fourth proportional to 4,809.22, 7,215.27 and 2,213.62 is: 3,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.22 : 7,215.27 = 2,213.62 : x
  2. Step 2: Convert to fraction form
    4,809.22/7,215.27 = 2,213.62/x
  3. Step 3: Cross multiply
    4,809.22x = 7,215.27 × 2,213.62
  4. Step 4: Simplify right side
    4,809.22x = 15,971,865.98
  5. Step 5: Solve for x
    x = 15,971,865.98/4,809.22
  6. Step 6: Final answer
    x = 3,321.09

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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.