Home / 4,109.68-6,165.60-2,161.36

Finding the Fourth Proportional to 4,109.68, 6,165.60 and 2,161.36

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Solution

The fourth proportional to 4,109.68, 6,165.60 and 2,161.36 is: 3,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.68 : 6,165.60 = 2,161.36 : x
  2. Step 2: Convert to fraction form
    4,109.68/6,165.60 = 2,161.36/x
  3. Step 3: Cross multiply
    4,109.68x = 6,165.60 × 2,161.36
  4. Step 4: Simplify right side
    4,109.68x = 13,326,081.22
  5. Step 5: Solve for x
    x = 13,326,081.22/4,109.68
  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.