Home / 8,021.39-11,069.24-4,436.12

Finding the Fourth Proportional to 8,021.39, 11,069.24 and 4,436.12

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Solution

The fourth proportional to 8,021.39, 11,069.24 and 4,436.12 is: 6,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.39 : 11,069.24 = 4,436.12 : x
  2. Step 2: Convert to fraction form
    8,021.39/11,069.24 = 4,436.12/x
  3. Step 3: Cross multiply
    8,021.39x = 11,069.24 × 4,436.12
  4. Step 4: Simplify right side
    8,021.39x = 49,104,482.44
  5. Step 5: Solve for x
    x = 49,104,482.44/8,021.39
  6. Step 6: Final answer
    x = 6,121.70

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Half scale
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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.