Home / 6,212.61-9,315.98-2,261.09

Finding the Fourth Proportional to 6,212.61, 9,315.98 and 2,261.09

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Solution

The fourth proportional to 6,212.61, 9,315.98 and 2,261.09 is: 3,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.61 : 9,315.98 = 2,261.09 : x
  2. Step 2: Convert to fraction form
    6,212.61/9,315.98 = 2,261.09/x
  3. Step 3: Cross multiply
    6,212.61x = 9,315.98 × 2,261.09
  4. Step 4: Simplify right side
    6,212.61x = 21,064,211.33
  5. Step 5: Solve for x
    x = 21,064,211.33/6,212.61
  6. Step 6: Final answer
    x = 3,390.56

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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.