Home / 8,228.49-12,343.73-2,680.34

Finding the Fourth Proportional to 8,228.49, 12,343.73 and 2,680.34

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Solution

The fourth proportional to 8,228.49, 12,343.73 and 2,680.34 is: 4,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.49 : 12,343.73 = 2,680.34 : x
  2. Step 2: Convert to fraction form
    8,228.49/12,343.73 = 2,680.34/x
  3. Step 3: Cross multiply
    8,228.49x = 12,343.73 × 2,680.34
  4. Step 4: Simplify right side
    8,228.49x = 33,085,393.27
  5. Step 5: Solve for x
    x = 33,085,393.27/8,228.49
  6. Step 6: Final answer
    x = 4,020.83

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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.