Home / 4,101.92-6,143.63-2,874.80

Finding the Fourth Proportional to 4,101.92, 6,143.63 and 2,874.80

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Solution

The fourth proportional to 4,101.92, 6,143.63 and 2,874.80 is: 4,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.92 : 6,143.63 = 2,874.80 : x
  2. Step 2: Convert to fraction form
    4,101.92/6,143.63 = 2,874.80/x
  3. Step 3: Cross multiply
    4,101.92x = 6,143.63 × 2,874.80
  4. Step 4: Simplify right side
    4,101.92x = 17,661,708.51
  5. Step 5: Solve for x
    x = 17,661,708.51/4,101.92
  6. Step 6: Final answer
    x = 4,305.72

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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.