Home / 7,459.92-11,190.48-3,076.56

Finding the Fourth Proportional to 7,459.92, 11,190.48 and 3,076.56

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Solution

The fourth proportional to 7,459.92, 11,190.48 and 3,076.56 is: 4,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.92 : 11,190.48 = 3,076.56 : x
  2. Step 2: Convert to fraction form
    7,459.92/11,190.48 = 3,076.56/x
  3. Step 3: Cross multiply
    7,459.92x = 11,190.48 × 3,076.56
  4. Step 4: Simplify right side
    7,459.92x = 34,428,183.15
  5. Step 5: Solve for x
    x = 34,428,183.15/7,459.92
  6. Step 6: Final answer
    x = 4,615.09

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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.