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Finding the Fourth Proportional to 5,103.66, 7,043.42 and 2,835.12

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Solution

The fourth proportional to 5,103.66, 7,043.42 and 2,835.12 is: 3,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.66 : 7,043.42 = 2,835.12 : x
  2. Step 2: Convert to fraction form
    5,103.66/7,043.42 = 2,835.12/x
  3. Step 3: Cross multiply
    5,103.66x = 7,043.42 × 2,835.12
  4. Step 4: Simplify right side
    5,103.66x = 19,968,926.73
  5. Step 5: Solve for x
    x = 19,968,926.73/5,103.66
  6. Step 6: Final answer
    x = 3,912.67

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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.