Home / 8,666.06-12,997.46-3,400.85

Finding the Fourth Proportional to 8,666.06, 12,997.46 and 3,400.85

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Solution

The fourth proportional to 8,666.06, 12,997.46 and 3,400.85 is: 5,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.06 : 12,997.46 = 3,400.85 : x
  2. Step 2: Convert to fraction form
    8,666.06/12,997.46 = 3,400.85/x
  3. Step 3: Cross multiply
    8,666.06x = 12,997.46 × 3,400.85
  4. Step 4: Simplify right side
    8,666.06x = 44,202,452.84
  5. Step 5: Solve for x
    x = 44,202,452.84/8,666.06
  6. Step 6: Final answer
    x = 5,100.64

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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.