Home / 8,820.64-13,236.32-3,273.12

Finding the Fourth Proportional to 8,820.64, 13,236.32 and 3,273.12

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Solution

The fourth proportional to 8,820.64, 13,236.32 and 3,273.12 is: 4,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.64 : 13,236.32 = 3,273.12 : x
  2. Step 2: Convert to fraction form
    8,820.64/13,236.32 = 3,273.12/x
  3. Step 3: Cross multiply
    8,820.64x = 13,236.32 × 3,273.12
  4. Step 4: Simplify right side
    8,820.64x = 43,324,063.72
  5. Step 5: Solve for x
    x = 43,324,063.72/8,820.64
  6. Step 6: Final answer
    x = 4,911.67

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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.