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Finding the Fourth Proportional to 7,991.87, 11,023.63 and 5,303.03

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Solution

The fourth proportional to 7,991.87, 11,023.63 and 5,303.03 is: 7,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.87 : 11,023.63 = 5,303.03 : x
  2. Step 2: Convert to fraction form
    7,991.87/11,023.63 = 5,303.03/x
  3. Step 3: Cross multiply
    7,991.87x = 11,023.63 × 5,303.03
  4. Step 4: Simplify right side
    7,991.87x = 58,458,558.97
  5. Step 5: Solve for x
    x = 58,458,558.97/7,991.87
  6. Step 6: Final answer
    x = 7,314.76

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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.