Home / 8,107.16-12,153.42-4,199.72

Finding the Fourth Proportional to 8,107.16, 12,153.42 and 4,199.72

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Solution

The fourth proportional to 8,107.16, 12,153.42 and 4,199.72 is: 6,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.16 : 12,153.42 = 4,199.72 : x
  2. Step 2: Convert to fraction form
    8,107.16/12,153.42 = 4,199.72/x
  3. Step 3: Cross multiply
    8,107.16x = 12,153.42 × 4,199.72
  4. Step 4: Simplify right side
    8,107.16x = 51,040,900.28
  5. Step 5: Solve for x
    x = 51,040,900.28/8,107.16
  6. Step 6: Final answer
    x = 6,295.78

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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.