Home / 5,227.48-7,213.87-2,989.91

Finding the Fourth Proportional to 5,227.48, 7,213.87 and 2,989.91

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Solution

The fourth proportional to 5,227.48, 7,213.87 and 2,989.91 is: 4,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.48 : 7,213.87 = 2,989.91 : x
  2. Step 2: Convert to fraction form
    5,227.48/7,213.87 = 2,989.91/x
  3. Step 3: Cross multiply
    5,227.48x = 7,213.87 × 2,989.91
  4. Step 4: Simplify right side
    5,227.48x = 21,568,843.82
  5. Step 5: Solve for x
    x = 21,568,843.82/5,227.48
  6. Step 6: Final answer
    x = 4,126.05

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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.