Home / 6,908.32-10,359.44-1,976.84

Finding the Fourth Proportional to 6,908.32, 10,359.44 and 1,976.84

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Solution

The fourth proportional to 6,908.32, 10,359.44 and 1,976.84 is: 2,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.32 : 10,359.44 = 1,976.84 : x
  2. Step 2: Convert to fraction form
    6,908.32/10,359.44 = 1,976.84/x
  3. Step 3: Cross multiply
    6,908.32x = 10,359.44 × 1,976.84
  4. Step 4: Simplify right side
    6,908.32x = 20,478,919.59
  5. Step 5: Solve for x
    x = 20,478,919.59/6,908.32
  6. Step 6: Final answer
    x = 2,964.38

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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.