Home / 8,083.43-12,124.81-2,239.89

Finding the Fourth Proportional to 8,083.43, 12,124.81 and 2,239.89

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Solution

The fourth proportional to 8,083.43, 12,124.81 and 2,239.89 is: 3,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.43 : 12,124.81 = 2,239.89 : x
  2. Step 2: Convert to fraction form
    8,083.43/12,124.81 = 2,239.89/x
  3. Step 3: Cross multiply
    8,083.43x = 12,124.81 × 2,239.89
  4. Step 4: Simplify right side
    8,083.43x = 27,158,185.40
  5. Step 5: Solve for x
    x = 27,158,185.40/8,083.43
  6. Step 6: Final answer
    x = 3,359.74

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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.