Home / 7,081.56-10,618.70-3,182.62

Finding the Fourth Proportional to 7,081.56, 10,618.70 and 3,182.62

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Solution

The fourth proportional to 7,081.56, 10,618.70 and 3,182.62 is: 4,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.56 : 10,618.70 = 3,182.62 : x
  2. Step 2: Convert to fraction form
    7,081.56/10,618.70 = 3,182.62/x
  3. Step 3: Cross multiply
    7,081.56x = 10,618.70 × 3,182.62
  4. Step 4: Simplify right side
    7,081.56x = 33,795,286.99
  5. Step 5: Solve for x
    x = 33,795,286.99/7,081.56
  6. Step 6: Final answer
    x = 4,772.29

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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.