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Finding the Fourth Proportional to 5,552.96, 7,662.16 and 3,283.98

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Solution

The fourth proportional to 5,552.96, 7,662.16 and 3,283.98 is: 4,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.96 : 7,662.16 = 3,283.98 : x
  2. Step 2: Convert to fraction form
    5,552.96/7,662.16 = 3,283.98/x
  3. Step 3: Cross multiply
    5,552.96x = 7,662.16 × 3,283.98
  4. Step 4: Simplify right side
    5,552.96x = 25,162,380.20
  5. Step 5: Solve for x
    x = 25,162,380.20/5,552.96
  6. Step 6: Final answer
    x = 4,531.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.