Home / 5,514.79-8,273.56-1,619.19

Finding the Fourth Proportional to 5,514.79, 8,273.56 and 1,619.19

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Solution

The fourth proportional to 5,514.79, 8,273.56 and 1,619.19 is: 2,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.79 : 8,273.56 = 1,619.19 : x
  2. Step 2: Convert to fraction form
    5,514.79/8,273.56 = 1,619.19/x
  3. Step 3: Cross multiply
    5,514.79x = 8,273.56 × 1,619.19
  4. Step 4: Simplify right side
    5,514.79x = 13,396,461.57
  5. Step 5: Solve for x
    x = 13,396,461.57/5,514.79
  6. Step 6: Final answer
    x = 2,429.19

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Half scale
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Similar ratio
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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.