Home / 5,385.24-8,078.44-2,265.57

Finding the Fourth Proportional to 5,385.24, 8,078.44 and 2,265.57

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Solution

The fourth proportional to 5,385.24, 8,078.44 and 2,265.57 is: 3,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.24 : 8,078.44 = 2,265.57 : x
  2. Step 2: Convert to fraction form
    5,385.24/8,078.44 = 2,265.57/x
  3. Step 3: Cross multiply
    5,385.24x = 8,078.44 × 2,265.57
  4. Step 4: Simplify right side
    5,385.24x = 18,302,241.63
  5. Step 5: Solve for x
    x = 18,302,241.63/5,385.24
  6. Step 6: Final answer
    x = 3,398.59

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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.