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Finding the Fourth Proportional to 8,078.94, 11,148.47 and 4,541.91

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Solution

The fourth proportional to 8,078.94, 11,148.47 and 4,541.91 is: 6,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.94 : 11,148.47 = 4,541.91 : x
  2. Step 2: Convert to fraction form
    8,078.94/11,148.47 = 4,541.91/x
  3. Step 3: Cross multiply
    8,078.94x = 11,148.47 × 4,541.91
  4. Step 4: Simplify right side
    8,078.94x = 50,635,299.89
  5. Step 5: Solve for x
    x = 50,635,299.89/8,078.94
  6. Step 6: Final answer
    x = 6,267.57

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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.