Home / 6,122.82-9,187.69-2,612.49

Finding the Fourth Proportional to 6,122.82, 9,187.69 and 2,612.49

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Solution

The fourth proportional to 6,122.82, 9,187.69 and 2,612.49 is: 3,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.82 : 9,187.69 = 2,612.49 : x
  2. Step 2: Convert to fraction form
    6,122.82/9,187.69 = 2,612.49/x
  3. Step 3: Cross multiply
    6,122.82x = 9,187.69 × 2,612.49
  4. Step 4: Simplify right side
    6,122.82x = 24,002,735.19
  5. Step 5: Solve for x
    x = 24,002,735.19/6,122.82
  6. Step 6: Final answer
    x = 3,920.21

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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.