Home / 5,213.52-7,195.92-3,222.88

Finding the Fourth Proportional to 5,213.52, 7,195.92 and 3,222.88

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Solution

The fourth proportional to 5,213.52, 7,195.92 and 3,222.88 is: 4,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.52 : 7,195.92 = 3,222.88 : x
  2. Step 2: Convert to fraction form
    5,213.52/7,195.92 = 3,222.88/x
  3. Step 3: Cross multiply
    5,213.52x = 7,195.92 × 3,222.88
  4. Step 4: Simplify right side
    5,213.52x = 23,191,550.67
  5. Step 5: Solve for x
    x = 23,191,550.67/5,213.52
  6. Step 6: Final answer
    x = 4,448.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.