Home / 5,233.20-7,228.20-3,912.75

Finding the Fourth Proportional to 5,233.20, 7,228.20 and 3,912.75

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Solution

The fourth proportional to 5,233.20, 7,228.20 and 3,912.75 is: 5,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.20 : 7,228.20 = 3,912.75 : x
  2. Step 2: Convert to fraction form
    5,233.20/7,228.20 = 3,912.75/x
  3. Step 3: Cross multiply
    5,233.20x = 7,228.20 × 3,912.75
  4. Step 4: Simplify right side
    5,233.20x = 28,282,139.55
  5. Step 5: Solve for x
    x = 28,282,139.55/5,233.20
  6. Step 6: Final answer
    x = 5,404.37

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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.