Home / 4,976.59-6,868.11-2,738.89

Finding the Fourth Proportional to 4,976.59, 6,868.11 and 2,738.89

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Solution

The fourth proportional to 4,976.59, 6,868.11 and 2,738.89 is: 3,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.59 : 6,868.11 = 2,738.89 : x
  2. Step 2: Convert to fraction form
    4,976.59/6,868.11 = 2,738.89/x
  3. Step 3: Cross multiply
    4,976.59x = 6,868.11 × 2,738.89
  4. Step 4: Simplify right side
    4,976.59x = 18,810,997.80
  5. Step 5: Solve for x
    x = 18,810,997.80/4,976.59
  6. Step 6: Final answer
    x = 3,779.90

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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.