Home / 5,450.47-7,523.19-3,213.64

Finding the Fourth Proportional to 5,450.47, 7,523.19 and 3,213.64

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Solution

The fourth proportional to 5,450.47, 7,523.19 and 3,213.64 is: 4,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.47 : 7,523.19 = 3,213.64 : x
  2. Step 2: Convert to fraction form
    5,450.47/7,523.19 = 3,213.64/x
  3. Step 3: Cross multiply
    5,450.47x = 7,523.19 × 3,213.64
  4. Step 4: Simplify right side
    5,450.47x = 24,176,824.31
  5. Step 5: Solve for x
    x = 24,176,824.31/5,450.47
  6. Step 6: Final answer
    x = 4,435.73

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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.