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Finding the Fourth Proportional to 6,466.98, 9,692.35 and 2,764.86

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Solution

The fourth proportional to 6,466.98, 9,692.35 and 2,764.86 is: 4,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466.98 : 9,692.35 = 2,764.86 : x
  2. Step 2: Convert to fraction form
    6,466.98/9,692.35 = 2,764.86/x
  3. Step 3: Cross multiply
    6,466.98x = 9,692.35 × 2,764.86
  4. Step 4: Simplify right side
    6,466.98x = 26,797,942.36
  5. Step 5: Solve for x
    x = 26,797,942.36/6,466.98
  6. Step 6: Final answer
    x = 4,143.81

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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.