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Finding the Fourth Proportional to 5,141.00, 7,711.47 and 1,245.38

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Solution

The fourth proportional to 5,141.00, 7,711.47 and 1,245.38 is: 1,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.00 : 7,711.47 = 1,245.38 : x
  2. Step 2: Convert to fraction form
    5,141.00/7,711.47 = 1,245.38/x
  3. Step 3: Cross multiply
    5,141.00x = 7,711.47 × 1,245.38
  4. Step 4: Simplify right side
    5,141.00x = 9,603,671.95
  5. Step 5: Solve for x
    x = 9,603,671.95/5,141.00
  6. Step 6: Final answer
    x = 1,868.05

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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.