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Finding the Fourth Proportional to 5,541.91, 8,308.64 and 2,770.54

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Solution

The fourth proportional to 5,541.91, 8,308.64 and 2,770.54 is: 4,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.91 : 8,308.64 = 2,770.54 : x
  2. Step 2: Convert to fraction form
    5,541.91/8,308.64 = 2,770.54/x
  3. Step 3: Cross multiply
    5,541.91x = 8,308.64 × 2,770.54
  4. Step 4: Simplify right side
    5,541.91x = 23,019,405.62
  5. Step 5: Solve for x
    x = 23,019,405.62/5,541.91
  6. Step 6: Final answer
    x = 4,153.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.