Home / 6,741.96-10,112.90-1,811.18

Finding the Fourth Proportional to 6,741.96, 10,112.90 and 1,811.18

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Solution

The fourth proportional to 6,741.96, 10,112.90 and 1,811.18 is: 2,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.96 : 10,112.90 = 1,811.18 : x
  2. Step 2: Convert to fraction form
    6,741.96/10,112.90 = 1,811.18/x
  3. Step 3: Cross multiply
    6,741.96x = 10,112.90 × 1,811.18
  4. Step 4: Simplify right side
    6,741.96x = 18,316,282.22
  5. Step 5: Solve for x
    x = 18,316,282.22/6,741.96
  6. Step 6: Final answer
    x = 2,716.76

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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.