Home / 4,109.24-6,164.40-2,161.55

Finding the Fourth Proportional to 4,109.24, 6,164.40 and 2,161.55

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Solution

The fourth proportional to 4,109.24, 6,164.40 and 2,161.55 is: 3,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.24 : 6,164.40 = 2,161.55 : x
  2. Step 2: Convert to fraction form
    4,109.24/6,164.40 = 2,161.55/x
  3. Step 3: Cross multiply
    4,109.24x = 6,164.40 × 2,161.55
  4. Step 4: Simplify right side
    4,109.24x = 13,324,658.82
  5. Step 5: Solve for x
    x = 13,324,658.82/4,109.24
  6. Step 6: Final answer
    x = 3,242.61

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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.