Home / 7,343.78-11,018.70-3,183.02

Finding the Fourth Proportional to 7,343.78, 11,018.70 and 3,183.02

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Solution

The fourth proportional to 7,343.78, 11,018.70 and 3,183.02 is: 4,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.78 : 11,018.70 = 3,183.02 : x
  2. Step 2: Convert to fraction form
    7,343.78/11,018.70 = 3,183.02/x
  3. Step 3: Cross multiply
    7,343.78x = 11,018.70 × 3,183.02
  4. Step 4: Simplify right side
    7,343.78x = 35,072,742.47
  5. Step 5: Solve for x
    x = 35,072,742.47/7,343.78
  6. Step 6: Final answer
    x = 4,775.84

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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.