Home / 5,543.49-8,315.22-2,255.81

Finding the Fourth Proportional to 5,543.49, 8,315.22 and 2,255.81

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Solution

The fourth proportional to 5,543.49, 8,315.22 and 2,255.81 is: 3,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.49 : 8,315.22 = 2,255.81 : x
  2. Step 2: Convert to fraction form
    5,543.49/8,315.22 = 2,255.81/x
  3. Step 3: Cross multiply
    5,543.49x = 8,315.22 × 2,255.81
  4. Step 4: Simplify right side
    5,543.49x = 18,757,514.85
  5. Step 5: Solve for x
    x = 18,757,514.85/5,543.49
  6. Step 6: Final answer
    x = 3,383.70

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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.