Home / 8,311.02-12,466.73-2,764.75

Finding the Fourth Proportional to 8,311.02, 12,466.73 and 2,764.75

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Solution

The fourth proportional to 8,311.02, 12,466.73 and 2,764.75 is: 4,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.02 : 12,466.73 = 2,764.75 : x
  2. Step 2: Convert to fraction form
    8,311.02/12,466.73 = 2,764.75/x
  3. Step 3: Cross multiply
    8,311.02x = 12,466.73 × 2,764.75
  4. Step 4: Simplify right side
    8,311.02x = 34,467,391.77
  5. Step 5: Solve for x
    x = 34,467,391.77/8,311.02
  6. Step 6: Final answer
    x = 4,147.19

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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.