Home / 4,519.70-6,778.91-1,747.68

Finding the Fourth Proportional to 4,519.70, 6,778.91 and 1,747.68

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Solution

The fourth proportional to 4,519.70, 6,778.91 and 1,747.68 is: 2,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.70 : 6,778.91 = 1,747.68 : x
  2. Step 2: Convert to fraction form
    4,519.70/6,778.91 = 1,747.68/x
  3. Step 3: Cross multiply
    4,519.70x = 6,778.91 × 1,747.68
  4. Step 4: Simplify right side
    4,519.70x = 11,847,322.80
  5. Step 5: Solve for x
    x = 11,847,322.80/4,519.70
  6. Step 6: Final answer
    x = 2,621.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.