Home / 7,939.84-10,950.66-5,107.54

Finding the Fourth Proportional to 7,939.84, 10,950.66 and 5,107.54

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Solution

The fourth proportional to 7,939.84, 10,950.66 and 5,107.54 is: 7,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.84 : 10,950.66 = 5,107.54 : x
  2. Step 2: Convert to fraction form
    7,939.84/10,950.66 = 5,107.54/x
  3. Step 3: Cross multiply
    7,939.84x = 10,950.66 × 5,107.54
  4. Step 4: Simplify right side
    7,939.84x = 55,930,933.98
  5. Step 5: Solve for x
    x = 55,930,933.98/7,939.84
  6. Step 6: Final answer
    x = 7,044.34

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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.