Home / 5,589.44-8,383.92-1,429.56

Finding the Fourth Proportional to 5,589.44, 8,383.92 and 1,429.56

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Solution

The fourth proportional to 5,589.44, 8,383.92 and 1,429.56 is: 2,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.44 : 8,383.92 = 1,429.56 : x
  2. Step 2: Convert to fraction form
    5,589.44/8,383.92 = 1,429.56/x
  3. Step 3: Cross multiply
    5,589.44x = 8,383.92 × 1,429.56
  4. Step 4: Simplify right side
    5,589.44x = 11,985,316.68
  5. Step 5: Solve for x
    x = 11,985,316.68/5,589.44
  6. Step 6: Final answer
    x = 2,144.28

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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.