Home / 4,311.20-6,450.60-3,922.40

Finding the Fourth Proportional to 4,311.20, 6,450.60 and 3,922.40

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Solution

The fourth proportional to 4,311.20, 6,450.60 and 3,922.40 is: 5,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.20 : 6,450.60 = 3,922.40 : x
  2. Step 2: Convert to fraction form
    4,311.20/6,450.60 = 3,922.40/x
  3. Step 3: Cross multiply
    4,311.20x = 6,450.60 × 3,922.40
  4. Step 4: Simplify right side
    4,311.20x = 25,301,833.44
  5. Step 5: Solve for x
    x = 25,301,833.44/4,311.20
  6. Step 6: Final answer
    x = 5,868.86

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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.