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Finding the Fourth Proportional to 8,267.94, 12,372.21 and 6,071.22

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Solution

The fourth proportional to 8,267.94, 12,372.21 and 6,071.22 is: 9,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.94 : 12,372.21 = 6,071.22 : x
  2. Step 2: Convert to fraction form
    8,267.94/12,372.21 = 6,071.22/x
  3. Step 3: Cross multiply
    8,267.94x = 12,372.21 × 6,071.22
  4. Step 4: Simplify right side
    8,267.94x = 75,114,408.80
  5. Step 5: Solve for x
    x = 75,114,408.80/8,267.94
  6. Step 6: Final answer
    x = 9,085.02

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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.