Home / 4,147.57-6,235.02-3,843.21

Finding the Fourth Proportional to 4,147.57, 6,235.02 and 3,843.21

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Solution

The fourth proportional to 4,147.57, 6,235.02 and 3,843.21 is: 5,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.57 : 6,235.02 = 3,843.21 : x
  2. Step 2: Convert to fraction form
    4,147.57/6,235.02 = 3,843.21/x
  3. Step 3: Cross multiply
    4,147.57x = 6,235.02 × 3,843.21
  4. Step 4: Simplify right side
    4,147.57x = 23,962,491.21
  5. Step 5: Solve for x
    x = 23,962,491.21/4,147.57
  6. Step 6: Final answer
    x = 5,777.48

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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.