Home / 8,243.82-12,364.65-3,045.78

Finding the Fourth Proportional to 8,243.82, 12,364.65 and 3,045.78

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Solution

The fourth proportional to 8,243.82, 12,364.65 and 3,045.78 is: 4,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.82 : 12,364.65 = 3,045.78 : x
  2. Step 2: Convert to fraction form
    8,243.82/12,364.65 = 3,045.78/x
  3. Step 3: Cross multiply
    8,243.82x = 12,364.65 × 3,045.78
  4. Step 4: Simplify right side
    8,243.82x = 37,660,003.68
  5. Step 5: Solve for x
    x = 37,660,003.68/8,243.82
  6. Step 6: Final answer
    x = 4,568.27

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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.