Home / 8,884.52-12,260.57-4,905.64

Finding the Fourth Proportional to 8,884.52, 12,260.57 and 4,905.64

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Solution

The fourth proportional to 8,884.52, 12,260.57 and 4,905.64 is: 6,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.52 : 12,260.57 = 4,905.64 : x
  2. Step 2: Convert to fraction form
    8,884.52/12,260.57 = 4,905.64/x
  3. Step 3: Cross multiply
    8,884.52x = 12,260.57 × 4,905.64
  4. Step 4: Simplify right side
    8,884.52x = 60,145,942.61
  5. Step 5: Solve for x
    x = 60,145,942.61/8,884.52
  6. Step 6: Final answer
    x = 6,769.75

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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.