Home / 5,516.82-8,279.39-2,920.34

Finding the Fourth Proportional to 5,516.82, 8,279.39 and 2,920.34

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Solution

The fourth proportional to 5,516.82, 8,279.39 and 2,920.34 is: 4,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.82 : 8,279.39 = 2,920.34 : x
  2. Step 2: Convert to fraction form
    5,516.82/8,279.39 = 2,920.34/x
  3. Step 3: Cross multiply
    5,516.82x = 8,279.39 × 2,920.34
  4. Step 4: Simplify right side
    5,516.82x = 24,178,633.79
  5. Step 5: Solve for x
    x = 24,178,633.79/5,516.82
  6. Step 6: Final answer
    x = 4,382.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.