Home / 7,768.67-11,648.39-3,086.16

Finding the Fourth Proportional to 7,768.67, 11,648.39 and 3,086.16

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Solution

The fourth proportional to 7,768.67, 11,648.39 and 3,086.16 is: 4,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.67 : 11,648.39 = 3,086.16 : x
  2. Step 2: Convert to fraction form
    7,768.67/11,648.39 = 3,086.16/x
  3. Step 3: Cross multiply
    7,768.67x = 11,648.39 × 3,086.16
  4. Step 4: Simplify right side
    7,768.67x = 35,948,795.28
  5. Step 5: Solve for x
    x = 35,948,795.28/7,768.67
  6. Step 6: Final answer
    x = 4,627.41

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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.