Home / 6,976.40-9,626.76-3,832.72

Finding the Fourth Proportional to 6,976.40, 9,626.76 and 3,832.72

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Solution

The fourth proportional to 6,976.40, 9,626.76 and 3,832.72 is: 5,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.40 : 9,626.76 = 3,832.72 : x
  2. Step 2: Convert to fraction form
    6,976.40/9,626.76 = 3,832.72/x
  3. Step 3: Cross multiply
    6,976.40x = 9,626.76 × 3,832.72
  4. Step 4: Simplify right side
    6,976.40x = 36,896,675.59
  5. Step 5: Solve for x
    x = 36,896,675.59/6,976.40
  6. Step 6: Final answer
    x = 5,288.78

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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.