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Finding the Fourth Proportional to 6,122, 8,448.40 and 3,327.60

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Solution

The fourth proportional to 6,122, 8,448.40 and 3,327.60 is: 4,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122 : 8,448.40 = 3,327.60 : x
  2. Step 2: Convert to fraction form
    6,122/8,448.40 = 3,327.60/x
  3. Step 3: Cross multiply
    6,122x = 8,448.40 × 3,327.60
  4. Step 4: Simplify right side
    6,122x = 28,112,895.84
  5. Step 5: Solve for x
    x = 28,112,895.84/6,122
  6. Step 6: Final answer
    x = 4,592.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.