Home / 5,311.85-7,329.84-3,073.28

Finding the Fourth Proportional to 5,311.85, 7,329.84 and 3,073.28

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Solution

The fourth proportional to 5,311.85, 7,329.84 and 3,073.28 is: 4,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.85 : 7,329.84 = 3,073.28 : x
  2. Step 2: Convert to fraction form
    5,311.85/7,329.84 = 3,073.28/x
  3. Step 3: Cross multiply
    5,311.85x = 7,329.84 × 3,073.28
  4. Step 4: Simplify right side
    5,311.85x = 22,526,650.68
  5. Step 5: Solve for x
    x = 22,526,650.68/5,311.85
  6. Step 6: Final answer
    x = 4,240.83

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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.