Home / 5,311.72-7,330.41-3,073.70

Finding the Fourth Proportional to 5,311.72, 7,330.41 and 3,073.70

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Solution

The fourth proportional to 5,311.72, 7,330.41 and 3,073.70 is: 4,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.72 : 7,330.41 = 3,073.70 : x
  2. Step 2: Convert to fraction form
    5,311.72/7,330.41 = 3,073.70/x
  3. Step 3: Cross multiply
    5,311.72x = 7,330.41 × 3,073.70
  4. Step 4: Simplify right side
    5,311.72x = 22,531,481.22
  5. Step 5: Solve for x
    x = 22,531,481.22/5,311.72
  6. Step 6: Final answer
    x = 4,241.84

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1.5x scale

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.