Home / 5,385.26-7,432.71-3,027.26

Finding the Fourth Proportional to 5,385.26, 7,432.71 and 3,027.26

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Solution

The fourth proportional to 5,385.26, 7,432.71 and 3,027.26 is: 4,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.26 : 7,432.71 = 3,027.26 : x
  2. Step 2: Convert to fraction form
    5,385.26/7,432.71 = 3,027.26/x
  3. Step 3: Cross multiply
    5,385.26x = 7,432.71 × 3,027.26
  4. Step 4: Simplify right side
    5,385.26x = 22,500,745.67
  5. Step 5: Solve for x
    x = 22,500,745.67/5,385.26
  6. Step 6: Final answer
    x = 4,178.21

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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.