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Finding the Fourth Proportional to 8,884.86, 12,260.97 and 4,905.87

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Solution

The fourth proportional to 8,884.86, 12,260.97 and 4,905.87 is: 6,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.86 : 12,260.97 = 4,905.87 : x
  2. Step 2: Convert to fraction form
    8,884.86/12,260.97 = 4,905.87/x
  3. Step 3: Cross multiply
    8,884.86x = 12,260.97 × 4,905.87
  4. Step 4: Simplify right side
    8,884.86x = 60,150,724.89
  5. Step 5: Solve for x
    x = 60,150,724.89/8,884.86
  6. Step 6: Final answer
    x = 6,770.03

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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.