Home / 6,976.13-9,627.26-3,992.29

Finding the Fourth Proportional to 6,976.13, 9,627.26 and 3,992.29

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Solution

The fourth proportional to 6,976.13, 9,627.26 and 3,992.29 is: 5,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.13 : 9,627.26 = 3,992.29 : x
  2. Step 2: Convert to fraction form
    6,976.13/9,627.26 = 3,992.29/x
  3. Step 3: Cross multiply
    6,976.13x = 9,627.26 × 3,992.29
  4. Step 4: Simplify right side
    6,976.13x = 38,434,769.80
  5. Step 5: Solve for x
    x = 38,434,769.80/6,976.13
  6. Step 6: Final answer
    x = 5,509.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.