Home / 7,400.22-11,099.97-2,719.87

Finding the Fourth Proportional to 7,400.22, 11,099.97 and 2,719.87

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Solution

The fourth proportional to 7,400.22, 11,099.97 and 2,719.87 is: 4,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.22 : 11,099.97 = 2,719.87 : x
  2. Step 2: Convert to fraction form
    7,400.22/11,099.97 = 2,719.87/x
  3. Step 3: Cross multiply
    7,400.22x = 11,099.97 × 2,719.87
  4. Step 4: Simplify right side
    7,400.22x = 30,190,479.08
  5. Step 5: Solve for x
    x = 30,190,479.08/7,400.22
  6. Step 6: Final answer
    x = 4,079.67

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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.