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Finding the Fourth Proportional to 7,408.80, 10,224.09 and 4,757.22

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Solution

The fourth proportional to 7,408.80, 10,224.09 and 4,757.22 is: 6,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.80 : 10,224.09 = 4,757.22 : x
  2. Step 2: Convert to fraction form
    7,408.80/10,224.09 = 4,757.22/x
  3. Step 3: Cross multiply
    7,408.80x = 10,224.09 × 4,757.22
  4. Step 4: Simplify right side
    7,408.80x = 48,638,245.43
  5. Step 5: Solve for x
    x = 48,638,245.43/7,408.80
  6. Step 6: Final answer
    x = 6,564.93

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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.