Home / 5,518.62-7,613.19-3,279.24

Finding the Fourth Proportional to 5,518.62, 7,613.19 and 3,279.24

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Solution

The fourth proportional to 5,518.62, 7,613.19 and 3,279.24 is: 4,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.62 : 7,613.19 = 3,279.24 : x
  2. Step 2: Convert to fraction form
    5,518.62/7,613.19 = 3,279.24/x
  3. Step 3: Cross multiply
    5,518.62x = 7,613.19 × 3,279.24
  4. Step 4: Simplify right side
    5,518.62x = 24,965,477.18
  5. Step 5: Solve for x
    x = 24,965,477.18/5,518.62
  6. Step 6: Final answer
    x = 4,523.86

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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.