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Finding the Fourth Proportional to 5,235.46, 7,224.67 and 2,877.15

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Solution

The fourth proportional to 5,235.46, 7,224.67 and 2,877.15 is: 3,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.46 : 7,224.67 = 2,877.15 : x
  2. Step 2: Convert to fraction form
    5,235.46/7,224.67 = 2,877.15/x
  3. Step 3: Cross multiply
    5,235.46x = 7,224.67 × 2,877.15
  4. Step 4: Simplify right side
    5,235.46x = 20,786,408.78
  5. Step 5: Solve for x
    x = 20,786,408.78/5,235.46
  6. Step 6: Final answer
    x = 3,970.31

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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.