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Finding the Fourth Proportional to 6,453.51, 8,906.04 and 3,620.67

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Solution

The fourth proportional to 6,453.51, 8,906.04 and 3,620.67 is: 4,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.51 : 8,906.04 = 3,620.67 : x
  2. Step 2: Convert to fraction form
    6,453.51/8,906.04 = 3,620.67/x
  3. Step 3: Cross multiply
    6,453.51x = 8,906.04 × 3,620.67
  4. Step 4: Simplify right side
    6,453.51x = 32,245,831.85
  5. Step 5: Solve for x
    x = 32,245,831.85/6,453.51
  6. Step 6: Final answer
    x = 4,996.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.