Home / 8,270.27-12,407.43-4,112.23

Finding the Fourth Proportional to 8,270.27, 12,407.43 and 4,112.23

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Solution

The fourth proportional to 8,270.27, 12,407.43 and 4,112.23 is: 6,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.27 : 12,407.43 = 4,112.23 : x
  2. Step 2: Convert to fraction form
    8,270.27/12,407.43 = 4,112.23/x
  3. Step 3: Cross multiply
    8,270.27x = 12,407.43 × 4,112.23
  4. Step 4: Simplify right side
    8,270.27x = 51,022,205.87
  5. Step 5: Solve for x
    x = 51,022,205.87/8,270.27
  6. Step 6: Final answer
    x = 6,169.35

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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.