Home / 5,227.87-7,213.42-3,103.02

Finding the Fourth Proportional to 5,227.87, 7,213.42 and 3,103.02

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Solution

The fourth proportional to 5,227.87, 7,213.42 and 3,103.02 is: 4,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.87 : 7,213.42 = 3,103.02 : x
  2. Step 2: Convert to fraction form
    5,227.87/7,213.42 = 3,103.02/x
  3. Step 3: Cross multiply
    5,227.87x = 7,213.42 × 3,103.02
  4. Step 4: Simplify right side
    5,227.87x = 22,383,386.53
  5. Step 5: Solve for x
    x = 22,383,386.53/5,227.87
  6. Step 6: Final answer
    x = 4,281.55

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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.