Home / 6,122.26-8,451.30-4,135.50

Finding the Fourth Proportional to 6,122.26, 8,451.30 and 4,135.50

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Solution

The fourth proportional to 6,122.26, 8,451.30 and 4,135.50 is: 5,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.26 : 8,451.30 = 4,135.50 : x
  2. Step 2: Convert to fraction form
    6,122.26/8,451.30 = 4,135.50/x
  3. Step 3: Cross multiply
    6,122.26x = 8,451.30 × 4,135.50
  4. Step 4: Simplify right side
    6,122.26x = 34,950,351.15
  5. Step 5: Solve for x
    x = 34,950,351.15/6,122.26
  6. Step 6: Final answer
    x = 5,708.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.