Home / 4,240.75-6,361.02-1,900.21

Finding the Fourth Proportional to 4,240.75, 6,361.02 and 1,900.21

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Solution

The fourth proportional to 4,240.75, 6,361.02 and 1,900.21 is: 2,850.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.75 : 6,361.02 = 1,900.21 : x
  2. Step 2: Convert to fraction form
    4,240.75/6,361.02 = 1,900.21/x
  3. Step 3: Cross multiply
    4,240.75x = 6,361.02 × 1,900.21
  4. Step 4: Simplify right side
    4,240.75x = 12,087,273.81
  5. Step 5: Solve for x
    x = 12,087,273.81/4,240.75
  6. Step 6: Final answer
    x = 2,850.27

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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.