Home / 8,469.82-12,705.41-2,626.35

Finding the Fourth Proportional to 8,469.82, 12,705.41 and 2,626.35

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Solution

The fourth proportional to 8,469.82, 12,705.41 and 2,626.35 is: 3,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.82 : 12,705.41 = 2,626.35 : x
  2. Step 2: Convert to fraction form
    8,469.82/12,705.41 = 2,626.35/x
  3. Step 3: Cross multiply
    8,469.82x = 12,705.41 × 2,626.35
  4. Step 4: Simplify right side
    8,469.82x = 33,368,853.55
  5. Step 5: Solve for x
    x = 33,368,853.55/8,469.82
  6. Step 6: Final answer
    x = 3,939.74

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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.