Home / 5,519.76-7,617.26-3,161.91

Finding the Fourth Proportional to 5,519.76, 7,617.26 and 3,161.91

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Solution

The fourth proportional to 5,519.76, 7,617.26 and 3,161.91 is: 4,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.76 : 7,617.26 = 3,161.91 : x
  2. Step 2: Convert to fraction form
    5,519.76/7,617.26 = 3,161.91/x
  3. Step 3: Cross multiply
    5,519.76x = 7,617.26 × 3,161.91
  4. Step 4: Simplify right side
    5,519.76x = 24,085,098.47
  5. Step 5: Solve for x
    x = 24,085,098.47/5,519.76
  6. Step 6: Final answer
    x = 4,363.43

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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.