Home / 7,838.19-11,757.65-1,994.85

Finding the Fourth Proportional to 7,838.19, 11,757.65 and 1,994.85

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Solution

The fourth proportional to 7,838.19, 11,757.65 and 1,994.85 is: 2,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.19 : 11,757.65 = 1,994.85 : x
  2. Step 2: Convert to fraction form
    7,838.19/11,757.65 = 1,994.85/x
  3. Step 3: Cross multiply
    7,838.19x = 11,757.65 × 1,994.85
  4. Step 4: Simplify right side
    7,838.19x = 23,454,738.13
  5. Step 5: Solve for x
    x = 23,454,738.13/7,838.19
  6. Step 6: Final answer
    x = 2,992.37

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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.