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Finding the Fourth Proportional to 6,543.73, 9,815.58 and 2,650.87

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Solution

The fourth proportional to 6,543.73, 9,815.58 and 2,650.87 is: 3,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.73 : 9,815.58 = 2,650.87 : x
  2. Step 2: Convert to fraction form
    6,543.73/9,815.58 = 2,650.87/x
  3. Step 3: Cross multiply
    6,543.73x = 9,815.58 × 2,650.87
  4. Step 4: Simplify right side
    6,543.73x = 26,019,826.55
  5. Step 5: Solve for x
    x = 26,019,826.55/6,543.73
  6. Step 6: Final answer
    x = 3,976.30

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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.