Home / 5,589.20-8,383.66-1,429.22

Finding the Fourth Proportional to 5,589.20, 8,383.66 and 1,429.22

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Solution

The fourth proportional to 5,589.20, 8,383.66 and 1,429.22 is: 2,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.20 : 8,383.66 = 1,429.22 : x
  2. Step 2: Convert to fraction form
    5,589.20/8,383.66 = 1,429.22/x
  3. Step 3: Cross multiply
    5,589.20x = 8,383.66 × 1,429.22
  4. Step 4: Simplify right side
    5,589.20x = 11,982,111.93
  5. Step 5: Solve for x
    x = 11,982,111.93/5,589.20
  6. Step 6: Final answer
    x = 2,143.80

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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.