Home / 4,121.92-6,186-2,480.32

Finding the Fourth Proportional to 4,121.92, 6,186 and 2,480.32

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Solution

The fourth proportional to 4,121.92, 6,186 and 2,480.32 is: 3,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.92 : 6,186 = 2,480.32 : x
  2. Step 2: Convert to fraction form
    4,121.92/6,186 = 2,480.32/x
  3. Step 3: Cross multiply
    4,121.92x = 6,186 × 2,480.32
  4. Step 4: Simplify right side
    4,121.92x = 15,343,259.52
  5. Step 5: Solve for x
    x = 15,343,259.52/4,121.92
  6. Step 6: Final answer
    x = 3,722.36

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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.