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Finding the Fourth Proportional to 7,410.14, 11,109.98 and 3,709.72

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Solution

The fourth proportional to 7,410.14, 11,109.98 and 3,709.72 is: 5,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.14 : 11,109.98 = 3,709.72 : x
  2. Step 2: Convert to fraction form
    7,410.14/11,109.98 = 3,709.72/x
  3. Step 3: Cross multiply
    7,410.14x = 11,109.98 × 3,709.72
  4. Step 4: Simplify right side
    7,410.14x = 41,214,915.01
  5. Step 5: Solve for x
    x = 41,214,915.01/7,410.14
  6. Step 6: Final answer
    x = 5,561.96

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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.