Home / 4,976.88-6,868.24-2,738.82

Finding the Fourth Proportional to 4,976.88, 6,868.24 and 2,738.82

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Solution

The fourth proportional to 4,976.88, 6,868.24 and 2,738.82 is: 3,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.88 : 6,868.24 = 2,738.82 : x
  2. Step 2: Convert to fraction form
    4,976.88/6,868.24 = 2,738.82/x
  3. Step 3: Cross multiply
    4,976.88x = 6,868.24 × 2,738.82
  4. Step 4: Simplify right side
    4,976.88x = 18,810,873.08
  5. Step 5: Solve for x
    x = 18,810,873.08/4,976.88
  6. Step 6: Final answer
    x = 3,779.65

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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.