Home / 6,212.18-9,313.37-3,090.49

Finding the Fourth Proportional to 6,212.18, 9,313.37 and 3,090.49

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Solution

The fourth proportional to 6,212.18, 9,313.37 and 3,090.49 is: 4,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.18 : 9,313.37 = 3,090.49 : x
  2. Step 2: Convert to fraction form
    6,212.18/9,313.37 = 3,090.49/x
  3. Step 3: Cross multiply
    6,212.18x = 9,313.37 × 3,090.49
  4. Step 4: Simplify right side
    6,212.18x = 28,782,858.36
  5. Step 5: Solve for x
    x = 28,782,858.36/6,212.18
  6. Step 6: Final answer
    x = 4,633.29

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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.