Home / 7,455.42-11,183.19-2,190.53

Finding the Fourth Proportional to 7,455.42, 11,183.19 and 2,190.53

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Solution

The fourth proportional to 7,455.42, 11,183.19 and 2,190.53 is: 3,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.42 : 11,183.19 = 2,190.53 : x
  2. Step 2: Convert to fraction form
    7,455.42/11,183.19 = 2,190.53/x
  3. Step 3: Cross multiply
    7,455.42x = 11,183.19 × 2,190.53
  4. Step 4: Simplify right side
    7,455.42x = 24,497,049.06
  5. Step 5: Solve for x
    x = 24,497,049.06/7,455.42
  6. Step 6: Final answer
    x = 3,285.80

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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.