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Finding the Fourth Proportional to 7,098.96, 9,795.60 and 3,954.72

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Solution

The fourth proportional to 7,098.96, 9,795.60 and 3,954.72 is: 5,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.96 : 9,795.60 = 3,954.72 : x
  2. Step 2: Convert to fraction form
    7,098.96/9,795.60 = 3,954.72/x
  3. Step 3: Cross multiply
    7,098.96x = 9,795.60 × 3,954.72
  4. Step 4: Simplify right side
    7,098.96x = 38,738,855.23
  5. Step 5: Solve for x
    x = 38,738,855.23/7,098.96
  6. Step 6: Final answer
    x = 5,456.98

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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.