Home / 5,311.56-7,329.15-3,072.99

Finding the Fourth Proportional to 5,311.56, 7,329.15 and 3,072.99

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Solution

The fourth proportional to 5,311.56, 7,329.15 and 3,072.99 is: 4,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.56 : 7,329.15 = 3,072.99 : x
  2. Step 2: Convert to fraction form
    5,311.56/7,329.15 = 3,072.99/x
  3. Step 3: Cross multiply
    5,311.56x = 7,329.15 × 3,072.99
  4. Step 4: Simplify right side
    5,311.56x = 22,522,404.66
  5. Step 5: Solve for x
    x = 22,522,404.66/5,311.56
  6. Step 6: Final answer
    x = 4,240.26

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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.