Home / 4,081.49-6,123.29-2,107.71

Finding the Fourth Proportional to 4,081.49, 6,123.29 and 2,107.71

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Solution

The fourth proportional to 4,081.49, 6,123.29 and 2,107.71 is: 3,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.49 : 6,123.29 = 2,107.71 : x
  2. Step 2: Convert to fraction form
    4,081.49/6,123.29 = 2,107.71/x
  3. Step 3: Cross multiply
    4,081.49x = 6,123.29 × 2,107.71
  4. Step 4: Simplify right side
    4,081.49x = 12,906,124.84
  5. Step 5: Solve for x
    x = 12,906,124.84/4,081.49
  6. Step 6: Final answer
    x = 3,162.11

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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.