Home / 5,514.43-8,268.80-1,618.33

Finding the Fourth Proportional to 5,514.43, 8,268.80 and 1,618.33

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Solution

The fourth proportional to 5,514.43, 8,268.80 and 1,618.33 is: 2,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.43 : 8,268.80 = 1,618.33 : x
  2. Step 2: Convert to fraction form
    5,514.43/8,268.80 = 1,618.33/x
  3. Step 3: Cross multiply
    5,514.43x = 8,268.80 × 1,618.33
  4. Step 4: Simplify right side
    5,514.43x = 13,381,647.10
  5. Step 5: Solve for x
    x = 13,381,647.10/5,514.43
  6. Step 6: Final answer
    x = 2,426.66

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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.