Home / 7,520.39-11,284.43-3,081.29

Finding the Fourth Proportional to 7,520.39, 11,284.43 and 3,081.29

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Solution

The fourth proportional to 7,520.39, 11,284.43 and 3,081.29 is: 4,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.39 : 11,284.43 = 3,081.29 : x
  2. Step 2: Convert to fraction form
    7,520.39/11,284.43 = 3,081.29/x
  3. Step 3: Cross multiply
    7,520.39x = 11,284.43 × 3,081.29
  4. Step 4: Simplify right side
    7,520.39x = 34,770,529.49
  5. Step 5: Solve for x
    x = 34,770,529.49/7,520.39
  6. Step 6: Final answer
    x = 4,623.50

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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.