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Finding the Fourth Proportional to 6,503.43, 8,974.67 and 3,519.20

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Solution

The fourth proportional to 6,503.43, 8,974.67 and 3,519.20 is: 4,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.43 : 8,974.67 = 3,519.20 : x
  2. Step 2: Convert to fraction form
    6,503.43/8,974.67 = 3,519.20/x
  3. Step 3: Cross multiply
    6,503.43x = 8,974.67 × 3,519.20
  4. Step 4: Simplify right side
    6,503.43x = 31,583,649.87
  5. Step 5: Solve for x
    x = 31,583,649.87/6,503.43
  6. Step 6: Final answer
    x = 4,856.46

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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.