Home / 6,122.20-9,182.37-1,961.77

Finding the Fourth Proportional to 6,122.20, 9,182.37 and 1,961.77

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Solution

The fourth proportional to 6,122.20, 9,182.37 and 1,961.77 is: 2,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.20 : 9,182.37 = 1,961.77 : x
  2. Step 2: Convert to fraction form
    6,122.20/9,182.37 = 1,961.77/x
  3. Step 3: Cross multiply
    6,122.20x = 9,182.37 × 1,961.77
  4. Step 4: Simplify right side
    6,122.20x = 18,013,652.08
  5. Step 5: Solve for x
    x = 18,013,652.08/6,122.20
  6. Step 6: Final answer
    x = 2,942.35

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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.