Home / 4,488.86-6,728.01-2,020.79

Finding the Fourth Proportional to 4,488.86, 6,728.01 and 2,020.79

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Solution

The fourth proportional to 4,488.86, 6,728.01 and 2,020.79 is: 3,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.86 : 6,728.01 = 2,020.79 : x
  2. Step 2: Convert to fraction form
    4,488.86/6,728.01 = 2,020.79/x
  3. Step 3: Cross multiply
    4,488.86x = 6,728.01 × 2,020.79
  4. Step 4: Simplify right side
    4,488.86x = 13,595,861.69
  5. Step 5: Solve for x
    x = 13,595,861.69/4,488.86
  6. Step 6: Final answer
    x = 3,028.80

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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.