Home / 7,360.05-11,040.81-3,198.90

Finding the Fourth Proportional to 7,360.05, 11,040.81 and 3,198.90

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Solution

The fourth proportional to 7,360.05, 11,040.81 and 3,198.90 is: 4,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.05 : 11,040.81 = 3,198.90 : x
  2. Step 2: Convert to fraction form
    7,360.05/11,040.81 = 3,198.90/x
  3. Step 3: Cross multiply
    7,360.05x = 11,040.81 × 3,198.90
  4. Step 4: Simplify right side
    7,360.05x = 35,318,447.11
  5. Step 5: Solve for x
    x = 35,318,447.11/7,360.05
  6. Step 6: Final answer
    x = 4,798.67

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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.