Home / 4,863.20-6,710.81-2,738.05

Finding the Fourth Proportional to 4,863.20, 6,710.81 and 2,738.05

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Solution

The fourth proportional to 4,863.20, 6,710.81 and 2,738.05 is: 3,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.20 : 6,710.81 = 2,738.05 : x
  2. Step 2: Convert to fraction form
    4,863.20/6,710.81 = 2,738.05/x
  3. Step 3: Cross multiply
    4,863.20x = 6,710.81 × 2,738.05
  4. Step 4: Simplify right side
    4,863.20x = 18,374,502.85
  5. Step 5: Solve for x
    x = 18,374,502.85/4,863.20
  6. Step 6: Final answer
    x = 3,778.28

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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.