Home / 7,245.22-10,865.70-3,085.18

Finding the Fourth Proportional to 7,245.22, 10,865.70 and 3,085.18

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Solution

The fourth proportional to 7,245.22, 10,865.70 and 3,085.18 is: 4,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.22 : 10,865.70 = 3,085.18 : x
  2. Step 2: Convert to fraction form
    7,245.22/10,865.70 = 3,085.18/x
  3. Step 3: Cross multiply
    7,245.22x = 10,865.70 × 3,085.18
  4. Step 4: Simplify right side
    7,245.22x = 33,522,640.33
  5. Step 5: Solve for x
    x = 33,522,640.33/7,245.22
  6. Step 6: Final answer
    x = 4,626.86

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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.