Home / 5,489.20-8,231.49-2,367.63

Finding the Fourth Proportional to 5,489.20, 8,231.49 and 2,367.63

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Solution

The fourth proportional to 5,489.20, 8,231.49 and 2,367.63 is: 3,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.20 : 8,231.49 = 2,367.63 : x
  2. Step 2: Convert to fraction form
    5,489.20/8,231.49 = 2,367.63/x
  3. Step 3: Cross multiply
    5,489.20x = 8,231.49 × 2,367.63
  4. Step 4: Simplify right side
    5,489.20x = 19,489,122.67
  5. Step 5: Solve for x
    x = 19,489,122.67/5,489.20
  6. Step 6: Final answer
    x = 3,550.45

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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.