Home / 8,841.36-12,197.94-5,480.70

Finding the Fourth Proportional to 8,841.36, 12,197.94 and 5,480.70

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Solution

The fourth proportional to 8,841.36, 12,197.94 and 5,480.70 is: 7,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.36 : 12,197.94 = 5,480.70 : x
  2. Step 2: Convert to fraction form
    8,841.36/12,197.94 = 5,480.70/x
  3. Step 3: Cross multiply
    8,841.36x = 12,197.94 × 5,480.70
  4. Step 4: Simplify right side
    8,841.36x = 66,853,249.76
  5. Step 5: Solve for x
    x = 66,853,249.76/8,841.36
  6. Step 6: Final answer
    x = 7,561.42

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Half scale
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Double scale
Find fourth proportional to 8,842.36, 12,199.32 and 5,481.70
Similar ratio
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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.