Home / 5,449.38-7,519.98-3,211.35

Finding the Fourth Proportional to 5,449.38, 7,519.98 and 3,211.35

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Solution

The fourth proportional to 5,449.38, 7,519.98 and 3,211.35 is: 4,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.38 : 7,519.98 = 3,211.35 : x
  2. Step 2: Convert to fraction form
    5,449.38/7,519.98 = 3,211.35/x
  3. Step 3: Cross multiply
    5,449.38x = 7,519.98 × 3,211.35
  4. Step 4: Simplify right side
    5,449.38x = 24,149,287.77
  5. Step 5: Solve for x
    x = 24,149,287.77/5,449.38
  6. Step 6: Final answer
    x = 4,431.57

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Half scale
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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.