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Finding the Fourth Proportional to 5,232.40, 7,220.71 and 2,874.54

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Solution

The fourth proportional to 5,232.40, 7,220.71 and 2,874.54 is: 3,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.40 : 7,220.71 = 2,874.54 : x
  2. Step 2: Convert to fraction form
    5,232.40/7,220.71 = 2,874.54/x
  3. Step 3: Cross multiply
    5,232.40x = 7,220.71 × 2,874.54
  4. Step 4: Simplify right side
    5,232.40x = 20,756,219.72
  5. Step 5: Solve for x
    x = 20,756,219.72/5,232.40
  6. Step 6: Final answer
    x = 3,966.87

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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.