Home / 4,227.29-6,343.21-1,763.80

Finding the Fourth Proportional to 4,227.29, 6,343.21 and 1,763.80

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Solution

The fourth proportional to 4,227.29, 6,343.21 and 1,763.80 is: 2,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.29 : 6,343.21 = 1,763.80 : x
  2. Step 2: Convert to fraction form
    4,227.29/6,343.21 = 1,763.80/x
  3. Step 3: Cross multiply
    4,227.29x = 6,343.21 × 1,763.80
  4. Step 4: Simplify right side
    4,227.29x = 11,188,157.99
  5. Step 5: Solve for x
    x = 11,188,157.99/4,227.29
  6. Step 6: Final answer
    x = 2,646.65

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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.