Home / 8,109.06-12,164.28-2,265.67

Finding the Fourth Proportional to 8,109.06, 12,164.28 and 2,265.67

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Solution

The fourth proportional to 8,109.06, 12,164.28 and 2,265.67 is: 3,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.06 : 12,164.28 = 2,265.67 : x
  2. Step 2: Convert to fraction form
    8,109.06/12,164.28 = 2,265.67/x
  3. Step 3: Cross multiply
    8,109.06x = 12,164.28 × 2,265.67
  4. Step 4: Simplify right side
    8,109.06x = 27,560,244.27
  5. Step 5: Solve for x
    x = 27,560,244.27/8,109.06
  6. Step 6: Final answer
    x = 3,398.70

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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.