Home / 4,845.31-7,257.09-4,212.47

Finding the Fourth Proportional to 4,845.31, 7,257.09 and 4,212.47

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Solution

The fourth proportional to 4,845.31, 7,257.09 and 4,212.47 is: 6,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.31 : 7,257.09 = 4,212.47 : x
  2. Step 2: Convert to fraction form
    4,845.31/7,257.09 = 4,212.47/x
  3. Step 3: Cross multiply
    4,845.31x = 7,257.09 × 4,212.47
  4. Step 4: Simplify right side
    4,845.31x = 30,570,273.91
  5. Step 5: Solve for x
    x = 30,570,273.91/4,845.31
  6. Step 6: Final answer
    x = 6,309.25

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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.