Home / 4,976.85-6,868.17-2,738.85

Finding the Fourth Proportional to 4,976.85, 6,868.17 and 2,738.85

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Solution

The fourth proportional to 4,976.85, 6,868.17 and 2,738.85 is: 3,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.85 : 6,868.17 = 2,738.85 : x
  2. Step 2: Convert to fraction form
    4,976.85/6,868.17 = 2,738.85/x
  3. Step 3: Cross multiply
    4,976.85x = 6,868.17 × 2,738.85
  4. Step 4: Simplify right side
    4,976.85x = 18,810,887.40
  5. Step 5: Solve for x
    x = 18,810,887.40/4,976.85
  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.