Home / 4,109.85-6,164.73-1,645.25

Finding the Fourth Proportional to 4,109.85, 6,164.73 and 1,645.25

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Solution

The fourth proportional to 4,109.85, 6,164.73 and 1,645.25 is: 2,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.85 : 6,164.73 = 1,645.25 : x
  2. Step 2: Convert to fraction form
    4,109.85/6,164.73 = 1,645.25/x
  3. Step 3: Cross multiply
    4,109.85x = 6,164.73 × 1,645.25
  4. Step 4: Simplify right side
    4,109.85x = 10,142,491.21
  5. Step 5: Solve for x
    x = 10,142,491.21/4,109.85
  6. Step 6: Final answer
    x = 2,467.85

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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.