Home / 4,843.81-6,687.66-3,722.68

Finding the Fourth Proportional to 4,843.81, 6,687.66 and 3,722.68

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Solution

The fourth proportional to 4,843.81, 6,687.66 and 3,722.68 is: 5,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.81 : 6,687.66 = 3,722.68 : x
  2. Step 2: Convert to fraction form
    4,843.81/6,687.66 = 3,722.68/x
  3. Step 3: Cross multiply
    4,843.81x = 6,687.66 × 3,722.68
  4. Step 4: Simplify right side
    4,843.81x = 24,895,984.69
  5. Step 5: Solve for x
    x = 24,895,984.69/4,843.81
  6. Step 6: Final answer
    x = 5,139.76

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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.