Home / 6,123.72-9,183.42-2,836.20

Finding the Fourth Proportional to 6,123.72, 9,183.42 and 2,836.20

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Solution

The fourth proportional to 6,123.72, 9,183.42 and 2,836.20 is: 4,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.72 : 9,183.42 = 2,836.20 : x
  2. Step 2: Convert to fraction form
    6,123.72/9,183.42 = 2,836.20/x
  3. Step 3: Cross multiply
    6,123.72x = 9,183.42 × 2,836.20
  4. Step 4: Simplify right side
    6,123.72x = 26,046,015.80
  5. Step 5: Solve for x
    x = 26,046,015.80/6,123.72
  6. Step 6: Final answer
    x = 4,253.30

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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.