Home / 4,976.87-6,868.25-2,738.83

Finding the Fourth Proportional to 4,976.87, 6,868.25 and 2,738.83

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Solution

The fourth proportional to 4,976.87, 6,868.25 and 2,738.83 is: 3,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.87 : 6,868.25 = 2,738.83 : x
  2. Step 2: Convert to fraction form
    4,976.87/6,868.25 = 2,738.83/x
  3. Step 3: Cross multiply
    4,976.87x = 6,868.25 × 2,738.83
  4. Step 4: Simplify right side
    4,976.87x = 18,810,969.15
  5. Step 5: Solve for x
    x = 18,810,969.15/4,976.87
  6. Step 6: Final answer
    x = 3,779.68

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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.