Home / 8,231.70-12,339.45-4,072.35

Finding the Fourth Proportional to 8,231.70, 12,339.45 and 4,072.35

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Solution

The fourth proportional to 8,231.70, 12,339.45 and 4,072.35 is: 6,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.70 : 12,339.45 = 4,072.35 : x
  2. Step 2: Convert to fraction form
    8,231.70/12,339.45 = 4,072.35/x
  3. Step 3: Cross multiply
    8,231.70x = 12,339.45 × 4,072.35
  4. Step 4: Simplify right side
    8,231.70x = 50,250,559.21
  5. Step 5: Solve for x
    x = 50,250,559.21/8,231.70
  6. Step 6: Final answer
    x = 6,104.52

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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.