Home / 5,161.70-7,743.09-2,240.30

Finding the Fourth Proportional to 5,161.70, 7,743.09 and 2,240.30

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Solution

The fourth proportional to 5,161.70, 7,743.09 and 2,240.30 is: 3,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.70 : 7,743.09 = 2,240.30 : x
  2. Step 2: Convert to fraction form
    5,161.70/7,743.09 = 2,240.30/x
  3. Step 3: Cross multiply
    5,161.70x = 7,743.09 × 2,240.30
  4. Step 4: Simplify right side
    5,161.70x = 17,346,844.53
  5. Step 5: Solve for x
    x = 17,346,844.53/5,161.70
  6. Step 6: Final answer
    x = 3,360.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.