Home / 4,643.70-6,954.83-2,790.74

Finding the Fourth Proportional to 4,643.70, 6,954.83 and 2,790.74

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Solution

The fourth proportional to 4,643.70, 6,954.83 and 2,790.74 is: 4,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.70 : 6,954.83 = 2,790.74 : x
  2. Step 2: Convert to fraction form
    4,643.70/6,954.83 = 2,790.74/x
  3. Step 3: Cross multiply
    4,643.70x = 6,954.83 × 2,790.74
  4. Step 4: Simplify right side
    4,643.70x = 19,409,097.05
  5. Step 5: Solve for x
    x = 19,409,097.05/4,643.70
  6. Step 6: Final answer
    x = 4,179.67

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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.