Home / 8,106.09-12,160.58-2,768.98

Finding the Fourth Proportional to 8,106.09, 12,160.58 and 2,768.98

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Solution

The fourth proportional to 8,106.09, 12,160.58 and 2,768.98 is: 4,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.09 : 12,160.58 = 2,768.98 : x
  2. Step 2: Convert to fraction form
    8,106.09/12,160.58 = 2,768.98/x
  3. Step 3: Cross multiply
    8,106.09x = 12,160.58 × 2,768.98
  4. Step 4: Simplify right side
    8,106.09x = 33,672,358.56
  5. Step 5: Solve for x
    x = 33,672,358.56/8,106.09
  6. Step 6: Final answer
    x = 4,153.96

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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.