Home / 8,249.43-12,374.66-3,319.07

Finding the Fourth Proportional to 8,249.43, 12,374.66 and 3,319.07

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Solution

The fourth proportional to 8,249.43, 12,374.66 and 3,319.07 is: 4,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.43 : 12,374.66 = 3,319.07 : x
  2. Step 2: Convert to fraction form
    8,249.43/12,374.66 = 3,319.07/x
  3. Step 3: Cross multiply
    8,249.43x = 12,374.66 × 3,319.07
  4. Step 4: Simplify right side
    8,249.43x = 41,072,315.23
  5. Step 5: Solve for x
    x = 41,072,315.23/8,249.43
  6. Step 6: Final answer
    x = 4,978.80

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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.