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Finding the Fourth Proportional to 6,160.88, 8,511 and 5,331.44

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Solution

The fourth proportional to 6,160.88, 8,511 and 5,331.44 is: 7,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.88 : 8,511 = 5,331.44 : x
  2. Step 2: Convert to fraction form
    6,160.88/8,511 = 5,331.44/x
  3. Step 3: Cross multiply
    6,160.88x = 8,511 × 5,331.44
  4. Step 4: Simplify right side
    6,160.88x = 45,375,885.84
  5. Step 5: Solve for x
    x = 45,375,885.84/6,160.88
  6. Step 6: Final answer
    x = 7,365.16

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