Home / 6,212.31-9,313.56-3,090.61

Finding the Fourth Proportional to 6,212.31, 9,313.56 and 3,090.61

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Solution

The fourth proportional to 6,212.31, 9,313.56 and 3,090.61 is: 4,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.31 : 9,313.56 = 3,090.61 : x
  2. Step 2: Convert to fraction form
    6,212.31/9,313.56 = 3,090.61/x
  3. Step 3: Cross multiply
    6,212.31x = 9,313.56 × 3,090.61
  4. Step 4: Simplify right side
    6,212.31x = 28,784,597.18
  5. Step 5: Solve for x
    x = 28,784,597.18/6,212.31
  6. Step 6: Final answer
    x = 4,633.48

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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.