Home / 8,105.06-12,157.70-2,910.94

Finding the Fourth Proportional to 8,105.06, 12,157.70 and 2,910.94

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Solution

The fourth proportional to 8,105.06, 12,157.70 and 2,910.94 is: 4,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.06 : 12,157.70 = 2,910.94 : x
  2. Step 2: Convert to fraction form
    8,105.06/12,157.70 = 2,910.94/x
  3. Step 3: Cross multiply
    8,105.06x = 12,157.70 × 2,910.94
  4. Step 4: Simplify right side
    8,105.06x = 35,390,290.29
  5. Step 5: Solve for x
    x = 35,390,290.29/8,105.06
  6. Step 6: Final answer
    x = 4,366.44

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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.