Home / 8,885.05-12,261.13-4,906.09

Finding the Fourth Proportional to 8,885.05, 12,261.13 and 4,906.09

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Solution

The fourth proportional to 8,885.05, 12,261.13 and 4,906.09 is: 6,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.05 : 12,261.13 = 4,906.09 : x
  2. Step 2: Convert to fraction form
    8,885.05/12,261.13 = 4,906.09/x
  3. Step 3: Cross multiply
    8,885.05x = 12,261.13 × 4,906.09
  4. Step 4: Simplify right side
    8,885.05x = 60,154,207.28
  5. Step 5: Solve for x
    x = 60,154,207.28/8,885.05
  6. Step 6: Final answer
    x = 6,770.27

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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.