Home / 6,462.21-8,917.39-3,629.44

Finding the Fourth Proportional to 6,462.21, 8,917.39 and 3,629.44

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Solution

The fourth proportional to 6,462.21, 8,917.39 and 3,629.44 is: 5,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.21 : 8,917.39 = 3,629.44 : x
  2. Step 2: Convert to fraction form
    6,462.21/8,917.39 = 3,629.44/x
  3. Step 3: Cross multiply
    6,462.21x = 8,917.39 × 3,629.44
  4. Step 4: Simplify right side
    6,462.21x = 32,365,147.65
  5. Step 5: Solve for x
    x = 32,365,147.65/6,462.21
  6. Step 6: Final answer
    x = 5,008.37

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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.