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Finding the Fourth Proportional to 5,273.20, 7,893.20 and 3,620.08

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Solution

The fourth proportional to 5,273.20, 7,893.20 and 3,620.08 is: 5,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.20 : 7,893.20 = 3,620.08 : x
  2. Step 2: Convert to fraction form
    5,273.20/7,893.20 = 3,620.08/x
  3. Step 3: Cross multiply
    5,273.20x = 7,893.20 × 3,620.08
  4. Step 4: Simplify right side
    5,273.20x = 28,574,015.46
  5. Step 5: Solve for x
    x = 28,574,015.46/5,273.20
  6. Step 6: Final answer
    x = 5,418.72

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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.