Home / 7,939.14-11,898.99-2,738.94

Finding the Fourth Proportional to 7,939.14, 11,898.99 and 2,738.94

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Solution

The fourth proportional to 7,939.14, 11,898.99 and 2,738.94 is: 4,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.14 : 11,898.99 = 2,738.94 : x
  2. Step 2: Convert to fraction form
    7,939.14/11,898.99 = 2,738.94/x
  3. Step 3: Cross multiply
    7,939.14x = 11,898.99 × 2,738.94
  4. Step 4: Simplify right side
    7,939.14x = 32,590,619.67
  5. Step 5: Solve for x
    x = 32,590,619.67/7,939.14
  6. Step 6: Final answer
    x = 4,105.06

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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.