Home / 8,021.21-11,069.03-4,436.46

Finding the Fourth Proportional to 8,021.21, 11,069.03 and 4,436.46

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Solution

The fourth proportional to 8,021.21, 11,069.03 and 4,436.46 is: 6,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.21 : 11,069.03 = 4,436.46 : x
  2. Step 2: Convert to fraction form
    8,021.21/11,069.03 = 4,436.46/x
  3. Step 3: Cross multiply
    8,021.21x = 11,069.03 × 4,436.46
  4. Step 4: Simplify right side
    8,021.21x = 49,107,286.65
  5. Step 5: Solve for x
    x = 49,107,286.65/8,021.21
  6. Step 6: Final answer
    x = 6,122.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.