Home / 8,272.35-12,412.44-3,345.39

Finding the Fourth Proportional to 8,272.35, 12,412.44 and 3,345.39

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Solution

The fourth proportional to 8,272.35, 12,412.44 and 3,345.39 is: 5,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.35 : 12,412.44 = 3,345.39 : x
  2. Step 2: Convert to fraction form
    8,272.35/12,412.44 = 3,345.39/x
  3. Step 3: Cross multiply
    8,272.35x = 12,412.44 × 3,345.39
  4. Step 4: Simplify right side
    8,272.35x = 41,524,452.65
  5. Step 5: Solve for x
    x = 41,524,452.65/8,272.35
  6. Step 6: Final answer
    x = 5,019.67

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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.