Home / 7,795.44-11,702.88-5,190.48

Finding the Fourth Proportional to 7,795.44, 11,702.88 and 5,190.48

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Solution

The fourth proportional to 7,795.44, 11,702.88 and 5,190.48 is: 7,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.44 : 11,702.88 = 5,190.48 : x
  2. Step 2: Convert to fraction form
    7,795.44/11,702.88 = 5,190.48/x
  3. Step 3: Cross multiply
    7,795.44x = 11,702.88 × 5,190.48
  4. Step 4: Simplify right side
    7,795.44x = 60,743,564.58
  5. Step 5: Solve for x
    x = 60,743,564.58/7,795.44
  6. Step 6: Final answer
    x = 7,792.19

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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.