Home / 4,920.42-6,790.19-2,682.26

Finding the Fourth Proportional to 4,920.42, 6,790.19 and 2,682.26

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Solution

The fourth proportional to 4,920.42, 6,790.19 and 2,682.26 is: 3,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.42 : 6,790.19 = 2,682.26 : x
  2. Step 2: Convert to fraction form
    4,920.42/6,790.19 = 2,682.26/x
  3. Step 3: Cross multiply
    4,920.42x = 6,790.19 × 2,682.26
  4. Step 4: Simplify right side
    4,920.42x = 18,213,007.67
  5. Step 5: Solve for x
    x = 18,213,007.67/4,920.42
  6. Step 6: Final answer
    x = 3,701.51

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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.