Home / 5,286.76-7,297.23-3,191.02

Finding the Fourth Proportional to 5,286.76, 7,297.23 and 3,191.02

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Solution

The fourth proportional to 5,286.76, 7,297.23 and 3,191.02 is: 4,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.76 : 7,297.23 = 3,191.02 : x
  2. Step 2: Convert to fraction form
    5,286.76/7,297.23 = 3,191.02/x
  3. Step 3: Cross multiply
    5,286.76x = 7,297.23 × 3,191.02
  4. Step 4: Simplify right side
    5,286.76x = 23,285,606.87
  5. Step 5: Solve for x
    x = 23,285,606.87/5,286.76
  6. Step 6: Final answer
    x = 4,404.51

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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.