Home / 4,072.58-6,109.87-1,299.25

Finding the Fourth Proportional to 4,072.58, 6,109.87 and 1,299.25

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Solution

The fourth proportional to 4,072.58, 6,109.87 and 1,299.25 is: 1,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.58 : 6,109.87 = 1,299.25 : x
  2. Step 2: Convert to fraction form
    4,072.58/6,109.87 = 1,299.25/x
  3. Step 3: Cross multiply
    4,072.58x = 6,109.87 × 1,299.25
  4. Step 4: Simplify right side
    4,072.58x = 7,938,257.38
  5. Step 5: Solve for x
    x = 7,938,257.38/4,072.58
  6. Step 6: Final answer
    x = 1,949.20

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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.