Home / 8,211.16-12,310.26-4,313.44

Finding the Fourth Proportional to 8,211.16, 12,310.26 and 4,313.44

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Solution

The fourth proportional to 8,211.16, 12,310.26 and 4,313.44 is: 6,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.16 : 12,310.26 = 4,313.44 : x
  2. Step 2: Convert to fraction form
    8,211.16/12,310.26 = 4,313.44/x
  3. Step 3: Cross multiply
    8,211.16x = 12,310.26 × 4,313.44
  4. Step 4: Simplify right side
    8,211.16x = 53,099,567.89
  5. Step 5: Solve for x
    x = 53,099,567.89/8,211.16
  6. Step 6: Final answer
    x = 6,466.76

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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.