Home / 8,126.98-12,183.75-3,740.74

Finding the Fourth Proportional to 8,126.98, 12,183.75 and 3,740.74

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Solution

The fourth proportional to 8,126.98, 12,183.75 and 3,740.74 is: 5,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.98 : 12,183.75 = 3,740.74 : x
  2. Step 2: Convert to fraction form
    8,126.98/12,183.75 = 3,740.74/x
  3. Step 3: Cross multiply
    8,126.98x = 12,183.75 × 3,740.74
  4. Step 4: Simplify right side
    8,126.98x = 45,576,240.98
  5. Step 5: Solve for x
    x = 45,576,240.98/8,126.98
  6. Step 6: Final answer
    x = 5,608.02

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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.