Home / 5,629.14-8,444.85-2,118.66

Finding the Fourth Proportional to 5,629.14, 8,444.85 and 2,118.66

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Solution

The fourth proportional to 5,629.14, 8,444.85 and 2,118.66 is: 3,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.14 : 8,444.85 = 2,118.66 : x
  2. Step 2: Convert to fraction form
    5,629.14/8,444.85 = 2,118.66/x
  3. Step 3: Cross multiply
    5,629.14x = 8,444.85 × 2,118.66
  4. Step 4: Simplify right side
    5,629.14x = 17,891,765.90
  5. Step 5: Solve for x
    x = 17,891,765.90/5,629.14
  6. Step 6: Final answer
    x = 3,178.42

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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.