Home / 4,487.72-6,731.58-2,019.66

Finding the Fourth Proportional to 4,487.72, 6,731.58 and 2,019.66

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Solution

The fourth proportional to 4,487.72, 6,731.58 and 2,019.66 is: 3,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.72 : 6,731.58 = 2,019.66 : x
  2. Step 2: Convert to fraction form
    4,487.72/6,731.58 = 2,019.66/x
  3. Step 3: Cross multiply
    4,487.72x = 6,731.58 × 2,019.66
  4. Step 4: Simplify right side
    4,487.72x = 13,595,469.20
  5. Step 5: Solve for x
    x = 13,595,469.20/4,487.72
  6. Step 6: Final answer
    x = 3,029.48

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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.