Home / 4,120.90-6,183.06-2,271.86

Finding the Fourth Proportional to 4,120.90, 6,183.06 and 2,271.86

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Solution

The fourth proportional to 4,120.90, 6,183.06 and 2,271.86 is: 3,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.90 : 6,183.06 = 2,271.86 : x
  2. Step 2: Convert to fraction form
    4,120.90/6,183.06 = 2,271.86/x
  3. Step 3: Cross multiply
    4,120.90x = 6,183.06 × 2,271.86
  4. Step 4: Simplify right side
    4,120.90x = 14,047,045.53
  5. Step 5: Solve for x
    x = 14,047,045.53/4,120.90
  6. Step 6: Final answer
    x = 3,408.73

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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.