Home / 6,361.20-9,538.90-4,137.84

Finding the Fourth Proportional to 6,361.20, 9,538.90 and 4,137.84

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Solution

The fourth proportional to 6,361.20, 9,538.90 and 4,137.84 is: 6,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.20 : 9,538.90 = 4,137.84 : x
  2. Step 2: Convert to fraction form
    6,361.20/9,538.90 = 4,137.84/x
  3. Step 3: Cross multiply
    6,361.20x = 9,538.90 × 4,137.84
  4. Step 4: Simplify right side
    6,361.20x = 39,470,441.98
  5. Step 5: Solve for x
    x = 39,470,441.98/6,361.20
  6. Step 6: Final answer
    x = 6,204.87

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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.