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Finding the Fourth Proportional to 7,172.33, 9,883.23 and 5,493.74

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Solution

The fourth proportional to 7,172.33, 9,883.23 and 5,493.74 is: 7,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.33 : 9,883.23 = 5,493.74 : x
  2. Step 2: Convert to fraction form
    7,172.33/9,883.23 = 5,493.74/x
  3. Step 3: Cross multiply
    7,172.33x = 9,883.23 × 5,493.74
  4. Step 4: Simplify right side
    7,172.33x = 54,295,895.98
  5. Step 5: Solve for x
    x = 54,295,895.98/7,172.33
  6. Step 6: Final answer
    x = 7,570.19

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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.