Home / 7,626.80-11,440.20-3,246.32

Finding the Fourth Proportional to 7,626.80, 11,440.20 and 3,246.32

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Solution

The fourth proportional to 7,626.80, 11,440.20 and 3,246.32 is: 4,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.80 : 11,440.20 = 3,246.32 : x
  2. Step 2: Convert to fraction form
    7,626.80/11,440.20 = 3,246.32/x
  3. Step 3: Cross multiply
    7,626.80x = 11,440.20 × 3,246.32
  4. Step 4: Simplify right side
    7,626.80x = 37,138,550.06
  5. Step 5: Solve for x
    x = 37,138,550.06/7,626.80
  6. Step 6: Final answer
    x = 4,869.48

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Double scale
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Similar ratio
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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.