Home / 5,514.20-7,609.44-3,156.26

Finding the Fourth Proportional to 5,514.20, 7,609.44 and 3,156.26

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Solution

The fourth proportional to 5,514.20, 7,609.44 and 3,156.26 is: 4,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.20 : 7,609.44 = 3,156.26 : x
  2. Step 2: Convert to fraction form
    5,514.20/7,609.44 = 3,156.26/x
  3. Step 3: Cross multiply
    5,514.20x = 7,609.44 × 3,156.26
  4. Step 4: Simplify right side
    5,514.20x = 24,017,371.09
  5. Step 5: Solve for x
    x = 24,017,371.09/5,514.20
  6. Step 6: Final answer
    x = 4,355.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.