Home / 4,971.92-6,860.78-2,733.76

Finding the Fourth Proportional to 4,971.92, 6,860.78 and 2,733.76

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Solution

The fourth proportional to 4,971.92, 6,860.78 and 2,733.76 is: 3,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.92 : 6,860.78 = 2,733.76 : x
  2. Step 2: Convert to fraction form
    4,971.92/6,860.78 = 2,733.76/x
  3. Step 3: Cross multiply
    4,971.92x = 6,860.78 × 2,733.76
  4. Step 4: Simplify right side
    4,971.92x = 18,755,725.93
  5. Step 5: Solve for x
    x = 18,755,725.93/4,971.92
  6. Step 6: Final answer
    x = 3,772.33

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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.