Home / 8,138.96-12,208.74-2,295.73

Finding the Fourth Proportional to 8,138.96, 12,208.74 and 2,295.73

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Solution

The fourth proportional to 8,138.96, 12,208.74 and 2,295.73 is: 3,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.96 : 12,208.74 = 2,295.73 : x
  2. Step 2: Convert to fraction form
    8,138.96/12,208.74 = 2,295.73/x
  3. Step 3: Cross multiply
    8,138.96x = 12,208.74 × 2,295.73
  4. Step 4: Simplify right side
    8,138.96x = 28,027,909.64
  5. Step 5: Solve for x
    x = 28,027,909.64/8,138.96
  6. Step 6: Final answer
    x = 3,443.67

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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.