Home / 6,906.47-10,359.56-1,976.07

Finding the Fourth Proportional to 6,906.47, 10,359.56 and 1,976.07

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Solution

The fourth proportional to 6,906.47, 10,359.56 and 1,976.07 is: 2,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,906.47 : 10,359.56 = 1,976.07 : x
  2. Step 2: Convert to fraction form
    6,906.47/10,359.56 = 1,976.07/x
  3. Step 3: Cross multiply
    6,906.47x = 10,359.56 × 1,976.07
  4. Step 4: Simplify right side
    6,906.47x = 20,471,205.85
  5. Step 5: Solve for x
    x = 20,471,205.85/6,906.47
  6. Step 6: Final answer
    x = 2,964.06

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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.