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Finding the Fourth Proportional to 8,448.93, 11,658.80 and 4,912.34

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Solution

The fourth proportional to 8,448.93, 11,658.80 and 4,912.34 is: 6,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.93 : 11,658.80 = 4,912.34 : x
  2. Step 2: Convert to fraction form
    8,448.93/11,658.80 = 4,912.34/x
  3. Step 3: Cross multiply
    8,448.93x = 11,658.80 × 4,912.34
  4. Step 4: Simplify right side
    8,448.93x = 57,271,943.58
  5. Step 5: Solve for x
    x = 57,271,943.58/8,448.93
  6. Step 6: Final answer
    x = 6,778.60

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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.