Home / 6,105.66-8,419.89-4,214.22

Finding the Fourth Proportional to 6,105.66, 8,419.89 and 4,214.22

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Solution

The fourth proportional to 6,105.66, 8,419.89 and 4,214.22 is: 5,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.66 : 8,419.89 = 4,214.22 : x
  2. Step 2: Convert to fraction form
    6,105.66/8,419.89 = 4,214.22/x
  3. Step 3: Cross multiply
    6,105.66x = 8,419.89 × 4,214.22
  4. Step 4: Simplify right side
    6,105.66x = 35,483,268.84
  5. Step 5: Solve for x
    x = 35,483,268.84/6,105.66
  6. Step 6: Final answer
    x = 5,811.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.