Home / 8,786.15-13,183.55-4,106.48

Finding the Fourth Proportional to 8,786.15, 13,183.55 and 4,106.48

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Solution

The fourth proportional to 8,786.15, 13,183.55 and 4,106.48 is: 6,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.15 : 13,183.55 = 4,106.48 : x
  2. Step 2: Convert to fraction form
    8,786.15/13,183.55 = 4,106.48/x
  3. Step 3: Cross multiply
    8,786.15x = 13,183.55 × 4,106.48
  4. Step 4: Simplify right side
    8,786.15x = 54,137,984.40
  5. Step 5: Solve for x
    x = 54,137,984.40/8,786.15
  6. Step 6: Final answer
    x = 6,161.74

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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.