Home / 6,776.72-10,161.88-3,966.36

Finding the Fourth Proportional to 6,776.72, 10,161.88 and 3,966.36

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Solution

The fourth proportional to 6,776.72, 10,161.88 and 3,966.36 is: 5,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.72 : 10,161.88 = 3,966.36 : x
  2. Step 2: Convert to fraction form
    6,776.72/10,161.88 = 3,966.36/x
  3. Step 3: Cross multiply
    6,776.72x = 10,161.88 × 3,966.36
  4. Step 4: Simplify right side
    6,776.72x = 40,305,674.36
  5. Step 5: Solve for x
    x = 40,305,674.36/6,776.72
  6. Step 6: Final answer
    x = 5,947.67

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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.