Home / 4,958.74-6,843.06-2,720.80

Finding the Fourth Proportional to 4,958.74, 6,843.06 and 2,720.80

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Solution

The fourth proportional to 4,958.74, 6,843.06 and 2,720.80 is: 3,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.74 : 6,843.06 = 2,720.80 : x
  2. Step 2: Convert to fraction form
    4,958.74/6,843.06 = 2,720.80/x
  3. Step 3: Cross multiply
    4,958.74x = 6,843.06 × 2,720.80
  4. Step 4: Simplify right side
    4,958.74x = 18,618,597.65
  5. Step 5: Solve for x
    x = 18,618,597.65/4,958.74
  6. Step 6: Final answer
    x = 3,754.70

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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.