Home / 6,213.21-9,309.39-4,449.24

Finding the Fourth Proportional to 6,213.21, 9,309.39 and 4,449.24

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Solution

The fourth proportional to 6,213.21, 9,309.39 and 4,449.24 is: 6,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.21 : 9,309.39 = 4,449.24 : x
  2. Step 2: Convert to fraction form
    6,213.21/9,309.39 = 4,449.24/x
  3. Step 3: Cross multiply
    6,213.21x = 9,309.39 × 4,449.24
  4. Step 4: Simplify right side
    6,213.21x = 41,419,710.36
  5. Step 5: Solve for x
    x = 41,419,710.36/6,213.21
  6. Step 6: Final answer
    x = 6,666.39

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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.