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Finding the Fourth Proportional to 8,843.10, 12,205.22 and 5,068.80

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Solution

The fourth proportional to 8,843.10, 12,205.22 and 5,068.80 is: 6,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.10 : 12,205.22 = 5,068.80 : x
  2. Step 2: Convert to fraction form
    8,843.10/12,205.22 = 5,068.80/x
  3. Step 3: Cross multiply
    8,843.10x = 12,205.22 × 5,068.80
  4. Step 4: Simplify right side
    8,843.10x = 61,865,756.23
  5. Step 5: Solve for x
    x = 61,865,756.23/8,843.10
  6. Step 6: Final answer
    x = 6,995.93

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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.