Home / 7,949.58-11,927.76-3,998.76

Finding the Fourth Proportional to 7,949.58, 11,927.76 and 3,998.76

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Solution

The fourth proportional to 7,949.58, 11,927.76 and 3,998.76 is: 5,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.58 : 11,927.76 = 3,998.76 : x
  2. Step 2: Convert to fraction form
    7,949.58/11,927.76 = 3,998.76/x
  3. Step 3: Cross multiply
    7,949.58x = 11,927.76 × 3,998.76
  4. Step 4: Simplify right side
    7,949.58x = 47,696,249.58
  5. Step 5: Solve for x
    x = 47,696,249.58/7,949.58
  6. Step 6: Final answer
    x = 5,999.85

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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.