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Finding the Fourth Proportional to 7,936.22, 11,888.18 and 5,154.46

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Solution

The fourth proportional to 7,936.22, 11,888.18 and 5,154.46 is: 7,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.22 : 11,888.18 = 5,154.46 : x
  2. Step 2: Convert to fraction form
    7,936.22/11,888.18 = 5,154.46/x
  3. Step 3: Cross multiply
    7,936.22x = 11,888.18 × 5,154.46
  4. Step 4: Simplify right side
    7,936.22x = 61,277,148.28
  5. Step 5: Solve for x
    x = 61,277,148.28/7,936.22
  6. Step 6: Final answer
    x = 7,721.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.