Home / 8,147.34-12,220.83-2,600.60

Finding the Fourth Proportional to 8,147.34, 12,220.83 and 2,600.60

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Solution

The fourth proportional to 8,147.34, 12,220.83 and 2,600.60 is: 3,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.34 : 12,220.83 = 2,600.60 : x
  2. Step 2: Convert to fraction form
    8,147.34/12,220.83 = 2,600.60/x
  3. Step 3: Cross multiply
    8,147.34x = 12,220.83 × 2,600.60
  4. Step 4: Simplify right side
    8,147.34x = 31,781,429.39
  5. Step 5: Solve for x
    x = 31,781,429.39/8,147.34
  6. Step 6: Final answer
    x = 3,900.84

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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.