Home / 5,450.24-7,521.24-3,212.21

Finding the Fourth Proportional to 5,450.24, 7,521.24 and 3,212.21

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Solution

The fourth proportional to 5,450.24, 7,521.24 and 3,212.21 is: 4,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.24 : 7,521.24 = 3,212.21 : x
  2. Step 2: Convert to fraction form
    5,450.24/7,521.24 = 3,212.21/x
  3. Step 3: Cross multiply
    5,450.24x = 7,521.24 × 3,212.21
  4. Step 4: Simplify right side
    5,450.24x = 24,159,764.73
  5. Step 5: Solve for x
    x = 24,159,764.73/5,450.24
  6. Step 6: Final answer
    x = 4,432.79

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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.