Home / 8,148.26-12,220.80-2,600.12

Finding the Fourth Proportional to 8,148.26, 12,220.80 and 2,600.12

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Solution

The fourth proportional to 8,148.26, 12,220.80 and 2,600.12 is: 3,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.26 : 12,220.80 = 2,600.12 : x
  2. Step 2: Convert to fraction form
    8,148.26/12,220.80 = 2,600.12/x
  3. Step 3: Cross multiply
    8,148.26x = 12,220.80 × 2,600.12
  4. Step 4: Simplify right side
    8,148.26x = 31,775,546.50
  5. Step 5: Solve for x
    x = 31,775,546.50/8,148.26
  6. Step 6: Final answer
    x = 3,899.67

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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.