Home / 5,200.57-7,180.55-3,213.85

Finding the Fourth Proportional to 5,200.57, 7,180.55 and 3,213.85

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Solution

The fourth proportional to 5,200.57, 7,180.55 and 3,213.85 is: 4,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.57 : 7,180.55 = 3,213.85 : x
  2. Step 2: Convert to fraction form
    5,200.57/7,180.55 = 3,213.85/x
  3. Step 3: Cross multiply
    5,200.57x = 7,180.55 × 3,213.85
  4. Step 4: Simplify right side
    5,200.57x = 23,077,194.55
  5. Step 5: Solve for x
    x = 23,077,194.55/5,200.57
  6. Step 6: Final answer
    x = 4,437.44

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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.