Home / 5,388.26-8,082.32-2,938.68

Finding the Fourth Proportional to 5,388.26, 8,082.32 and 2,938.68

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Solution

The fourth proportional to 5,388.26, 8,082.32 and 2,938.68 is: 4,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.26 : 8,082.32 = 2,938.68 : x
  2. Step 2: Convert to fraction form
    5,388.26/8,082.32 = 2,938.68/x
  3. Step 3: Cross multiply
    5,388.26x = 8,082.32 × 2,938.68
  4. Step 4: Simplify right side
    5,388.26x = 23,751,337.44
  5. Step 5: Solve for x
    x = 23,751,337.44/5,388.26
  6. Step 6: Final answer
    x = 4,407.98

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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.