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Finding the Fourth Proportional to 7,422.44, 10,243.14 and 4,278.92

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Solution

The fourth proportional to 7,422.44, 10,243.14 and 4,278.92 is: 5,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.44 : 10,243.14 = 4,278.92 : x
  2. Step 2: Convert to fraction form
    7,422.44/10,243.14 = 4,278.92/x
  3. Step 3: Cross multiply
    7,422.44x = 10,243.14 × 4,278.92
  4. Step 4: Simplify right side
    7,422.44x = 43,829,576.61
  5. Step 5: Solve for x
    x = 43,829,576.61/7,422.44
  6. Step 6: Final answer
    x = 5,905.01

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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.