Home / 8,183.56-12,275.46-2,989.96

Finding the Fourth Proportional to 8,183.56, 12,275.46 and 2,989.96

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Solution

The fourth proportional to 8,183.56, 12,275.46 and 2,989.96 is: 4,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.56 : 12,275.46 = 2,989.96 : x
  2. Step 2: Convert to fraction form
    8,183.56/12,275.46 = 2,989.96/x
  3. Step 3: Cross multiply
    8,183.56x = 12,275.46 × 2,989.96
  4. Step 4: Simplify right side
    8,183.56x = 36,703,134.38
  5. Step 5: Solve for x
    x = 36,703,134.38/8,183.56
  6. Step 6: Final answer
    x = 4,484.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.