Home / 8,137.67-12,206.50-2,943.54

Finding the Fourth Proportional to 8,137.67, 12,206.50 and 2,943.54

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Solution

The fourth proportional to 8,137.67, 12,206.50 and 2,943.54 is: 4,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.67 : 12,206.50 = 2,943.54 : x
  2. Step 2: Convert to fraction form
    8,137.67/12,206.50 = 2,943.54/x
  3. Step 3: Cross multiply
    8,137.67x = 12,206.50 × 2,943.54
  4. Step 4: Simplify right side
    8,137.67x = 35,930,313.65
  5. Step 5: Solve for x
    x = 35,930,313.65/8,137.67
  6. Step 6: Final answer
    x = 4,415.31

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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.