Home / 6,453.12-8,906.04-3,620.94

Finding the Fourth Proportional to 6,453.12, 8,906.04 and 3,620.94

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Solution

The fourth proportional to 6,453.12, 8,906.04 and 3,620.94 is: 4,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.12 : 8,906.04 = 3,620.94 : x
  2. Step 2: Convert to fraction form
    6,453.12/8,906.04 = 3,620.94/x
  3. Step 3: Cross multiply
    6,453.12x = 8,906.04 × 3,620.94
  4. Step 4: Simplify right side
    6,453.12x = 32,248,236.48
  5. Step 5: Solve for x
    x = 32,248,236.48/6,453.12
  6. Step 6: Final answer
    x = 4,997.31

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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.