Home / 4,487.13-6,728.85-2,021.29

Finding the Fourth Proportional to 4,487.13, 6,728.85 and 2,021.29

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Solution

The fourth proportional to 4,487.13, 6,728.85 and 2,021.29 is: 3,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.13 : 6,728.85 = 2,021.29 : x
  2. Step 2: Convert to fraction form
    4,487.13/6,728.85 = 2,021.29/x
  3. Step 3: Cross multiply
    4,487.13x = 6,728.85 × 2,021.29
  4. Step 4: Simplify right side
    4,487.13x = 13,600,940.39
  5. Step 5: Solve for x
    x = 13,600,940.39/4,487.13
  6. Step 6: Final answer
    x = 3,031.10

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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.