Home / 5,451.50-7,523.88-3,212.66

Finding the Fourth Proportional to 5,451.50, 7,523.88 and 3,212.66

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Solution

The fourth proportional to 5,451.50, 7,523.88 and 3,212.66 is: 4,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.50 : 7,523.88 = 3,212.66 : x
  2. Step 2: Convert to fraction form
    5,451.50/7,523.88 = 3,212.66/x
  3. Step 3: Cross multiply
    5,451.50x = 7,523.88 × 3,212.66
  4. Step 4: Simplify right side
    5,451.50x = 24,171,668.32
  5. Step 5: Solve for x
    x = 24,171,668.32/5,451.50
  6. Step 6: Final answer
    x = 4,433.95

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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.