Home / 6,908.80-10,367.74-3,790.99

Finding the Fourth Proportional to 6,908.80, 10,367.74 and 3,790.99

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Solution

The fourth proportional to 6,908.80, 10,367.74 and 3,790.99 is: 5,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.80 : 10,367.74 = 3,790.99 : x
  2. Step 2: Convert to fraction form
    6,908.80/10,367.74 = 3,790.99/x
  3. Step 3: Cross multiply
    6,908.80x = 10,367.74 × 3,790.99
  4. Step 4: Simplify right side
    6,908.80x = 39,303,998.66
  5. Step 5: Solve for x
    x = 39,303,998.66/6,908.80
  6. Step 6: Final answer
    x = 5,688.98

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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.