Home / 8,245.09-12,370.83-4,297.15

Finding the Fourth Proportional to 8,245.09, 12,370.83 and 4,297.15

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Solution

The fourth proportional to 8,245.09, 12,370.83 and 4,297.15 is: 6,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.09 : 12,370.83 = 4,297.15 : x
  2. Step 2: Convert to fraction form
    8,245.09/12,370.83 = 4,297.15/x
  3. Step 3: Cross multiply
    8,245.09x = 12,370.83 × 4,297.15
  4. Step 4: Simplify right side
    8,245.09x = 53,159,311.48
  5. Step 5: Solve for x
    x = 53,159,311.48/8,245.09
  6. Step 6: Final answer
    x = 6,447.39

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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.