Home / 8,884.18-12,260.36-4,905.55

Finding the Fourth Proportional to 8,884.18, 12,260.36 and 4,905.55

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Solution

The fourth proportional to 8,884.18, 12,260.36 and 4,905.55 is: 6,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.18 : 12,260.36 = 4,905.55 : x
  2. Step 2: Convert to fraction form
    8,884.18/12,260.36 = 4,905.55/x
  3. Step 3: Cross multiply
    8,884.18x = 12,260.36 × 4,905.55
  4. Step 4: Simplify right side
    8,884.18x = 60,143,747.70
  5. Step 5: Solve for x
    x = 60,143,747.70/8,884.18
  6. Step 6: Final answer
    x = 6,769.76

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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.