Home / 4,021.62-6,032.98-1,389.79

Finding the Fourth Proportional to 4,021.62, 6,032.98 and 1,389.79

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Solution

The fourth proportional to 4,021.62, 6,032.98 and 1,389.79 is: 2,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.62 : 6,032.98 = 1,389.79 : x
  2. Step 2: Convert to fraction form
    4,021.62/6,032.98 = 1,389.79/x
  3. Step 3: Cross multiply
    4,021.62x = 6,032.98 × 1,389.79
  4. Step 4: Simplify right side
    4,021.62x = 8,384,584.55
  5. Step 5: Solve for x
    x = 8,384,584.55/4,021.62
  6. Step 6: Final answer
    x = 2,084.88

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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.