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Finding the Fourth Proportional to 7,054.74, 9,735.48 and 3,910.86

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Solution

The fourth proportional to 7,054.74, 9,735.48 and 3,910.86 is: 5,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.74 : 9,735.48 = 3,910.86 : x
  2. Step 2: Convert to fraction form
    7,054.74/9,735.48 = 3,910.86/x
  3. Step 3: Cross multiply
    7,054.74x = 9,735.48 × 3,910.86
  4. Step 4: Simplify right side
    7,054.74x = 38,074,099.31
  5. Step 5: Solve for x
    x = 38,074,099.31/7,054.74
  6. Step 6: Final answer
    x = 5,396.95

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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.