Home / 8,143.46-12,226.49-4,197.54

Finding the Fourth Proportional to 8,143.46, 12,226.49 and 4,197.54

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Solution

The fourth proportional to 8,143.46, 12,226.49 and 4,197.54 is: 6,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.46 : 12,226.49 = 4,197.54 : x
  2. Step 2: Convert to fraction form
    8,143.46/12,226.49 = 4,197.54/x
  3. Step 3: Cross multiply
    8,143.46x = 12,226.49 × 4,197.54
  4. Step 4: Simplify right side
    8,143.46x = 51,321,159.85
  5. Step 5: Solve for x
    x = 51,321,159.85/8,143.46
  6. Step 6: Final answer
    x = 6,302.14

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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.