Home / 4,286.23-5,916.78-3,107.07

Finding the Fourth Proportional to 4,286.23, 5,916.78 and 3,107.07

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Solution

The fourth proportional to 4,286.23, 5,916.78 and 3,107.07 is: 4,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.23 : 5,916.78 = 3,107.07 : x
  2. Step 2: Convert to fraction form
    4,286.23/5,916.78 = 3,107.07/x
  3. Step 3: Cross multiply
    4,286.23x = 5,916.78 × 3,107.07
  4. Step 4: Simplify right side
    4,286.23x = 18,383,849.63
  5. Step 5: Solve for x
    x = 18,383,849.63/4,286.23
  6. Step 6: Final answer
    x = 4,289.05

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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.