Home / 5,514.37-8,268.43-1,815.61

Finding the Fourth Proportional to 5,514.37, 8,268.43 and 1,815.61

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Solution

The fourth proportional to 5,514.37, 8,268.43 and 1,815.61 is: 2,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.37 : 8,268.43 = 1,815.61 : x
  2. Step 2: Convert to fraction form
    5,514.37/8,268.43 = 1,815.61/x
  3. Step 3: Cross multiply
    5,514.37x = 8,268.43 × 1,815.61
  4. Step 4: Simplify right side
    5,514.37x = 15,012,244.19
  5. Step 5: Solve for x
    x = 15,012,244.19/5,514.37
  6. Step 6: Final answer
    x = 2,722.39

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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.