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Finding the Fourth Proportional to 8,843.84, 12,206.24 and 5,069.54

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Solution

The fourth proportional to 8,843.84, 12,206.24 and 5,069.54 is: 6,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.84 : 12,206.24 = 5,069.54 : x
  2. Step 2: Convert to fraction form
    8,843.84/12,206.24 = 5,069.54/x
  3. Step 3: Cross multiply
    8,843.84x = 12,206.24 × 5,069.54
  4. Step 4: Simplify right side
    8,843.84x = 61,879,963.19
  5. Step 5: Solve for x
    x = 61,879,963.19/8,843.84
  6. Step 6: Final answer
    x = 6,996.96

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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.