Home / 8,911.20-13,364.22-2,670.96

Finding the Fourth Proportional to 8,911.20, 13,364.22 and 2,670.96

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Solution

The fourth proportional to 8,911.20, 13,364.22 and 2,670.96 is: 4,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.20 : 13,364.22 = 2,670.96 : x
  2. Step 2: Convert to fraction form
    8,911.20/13,364.22 = 2,670.96/x
  3. Step 3: Cross multiply
    8,911.20x = 13,364.22 × 2,670.96
  4. Step 4: Simplify right side
    8,911.20x = 35,695,297.05
  5. Step 5: Solve for x
    x = 35,695,297.05/8,911.20
  6. Step 6: Final answer
    x = 4,005.67

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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.