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Finding the Fourth Proportional to 9,621.57, 14,415.93 and 5,231.19

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Solution

The fourth proportional to 9,621.57, 14,415.93 and 5,231.19 is: 7,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.57 : 14,415.93 = 5,231.19 : x
  2. Step 2: Convert to fraction form
    9,621.57/14,415.93 = 5,231.19/x
  3. Step 3: Cross multiply
    9,621.57x = 14,415.93 × 5,231.19
  4. Step 4: Simplify right side
    9,621.57x = 75,412,468.86
  5. Step 5: Solve for x
    x = 75,412,468.86/9,621.57
  6. Step 6: Final answer
    x = 7,837.85

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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.