Home / 8,183.28-12,278.01-4,898.70

Finding the Fourth Proportional to 8,183.28, 12,278.01 and 4,898.70

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Solution

The fourth proportional to 8,183.28, 12,278.01 and 4,898.70 is: 7,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.28 : 12,278.01 = 4,898.70 : x
  2. Step 2: Convert to fraction form
    8,183.28/12,278.01 = 4,898.70/x
  3. Step 3: Cross multiply
    8,183.28x = 12,278.01 × 4,898.70
  4. Step 4: Simplify right side
    8,183.28x = 60,146,287.59
  5. Step 5: Solve for x
    x = 60,146,287.59/8,183.28
  6. Step 6: Final answer
    x = 7,349.90

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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.