Home / 5,518.92-7,616.76-3,161.82

Finding the Fourth Proportional to 5,518.92, 7,616.76 and 3,161.82

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Solution

The fourth proportional to 5,518.92, 7,616.76 and 3,161.82 is: 4,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.92 : 7,616.76 = 3,161.82 : x
  2. Step 2: Convert to fraction form
    5,518.92/7,616.76 = 3,161.82/x
  3. Step 3: Cross multiply
    5,518.92x = 7,616.76 × 3,161.82
  4. Step 4: Simplify right side
    5,518.92x = 24,082,824.10
  5. Step 5: Solve for x
    x = 24,082,824.10/5,518.92
  6. Step 6: Final answer
    x = 4,363.68

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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.