Home / 6,790.46-10,186.61-2,111.19

Finding the Fourth Proportional to 6,790.46, 10,186.61 and 2,111.19

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Solution

The fourth proportional to 6,790.46, 10,186.61 and 2,111.19 is: 3,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.46 : 10,186.61 = 2,111.19 : x
  2. Step 2: Convert to fraction form
    6,790.46/10,186.61 = 2,111.19/x
  3. Step 3: Cross multiply
    6,790.46x = 10,186.61 × 2,111.19
  4. Step 4: Simplify right side
    6,790.46x = 21,505,818.23
  5. Step 5: Solve for x
    x = 21,505,818.23/6,790.46
  6. Step 6: Final answer
    x = 3,167.07

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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.