Home / 8,909.20-13,361.22-2,668.96

Finding the Fourth Proportional to 8,909.20, 13,361.22 and 2,668.96

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Solution

The fourth proportional to 8,909.20, 13,361.22 and 2,668.96 is: 4,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.20 : 13,361.22 = 2,668.96 : x
  2. Step 2: Convert to fraction form
    8,909.20/13,361.22 = 2,668.96/x
  3. Step 3: Cross multiply
    8,909.20x = 13,361.22 × 2,668.96
  4. Step 4: Simplify right side
    8,909.20x = 35,660,561.73
  5. Step 5: Solve for x
    x = 35,660,561.73/8,909.20
  6. Step 6: Final answer
    x = 4,002.67

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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.