Home / 6,718.20-10,077.30-4,122.60

Finding the Fourth Proportional to 6,718.20, 10,077.30 and 4,122.60

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Solution

The fourth proportional to 6,718.20, 10,077.30 and 4,122.60 is: 6,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.20 : 10,077.30 = 4,122.60 : x
  2. Step 2: Convert to fraction form
    6,718.20/10,077.30 = 4,122.60/x
  3. Step 3: Cross multiply
    6,718.20x = 10,077.30 × 4,122.60
  4. Step 4: Simplify right side
    6,718.20x = 41,544,676.98
  5. Step 5: Solve for x
    x = 41,544,676.98/6,718.20
  6. Step 6: Final answer
    x = 6,183.90

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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.