Home / 7,400.53-11,099.60-2,719.39

Finding the Fourth Proportional to 7,400.53, 11,099.60 and 2,719.39

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Solution

The fourth proportional to 7,400.53, 11,099.60 and 2,719.39 is: 4,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.53 : 11,099.60 = 2,719.39 : x
  2. Step 2: Convert to fraction form
    7,400.53/11,099.60 = 2,719.39/x
  3. Step 3: Cross multiply
    7,400.53x = 11,099.60 × 2,719.39
  4. Step 4: Simplify right side
    7,400.53x = 30,184,099.90
  5. Step 5: Solve for x
    x = 30,184,099.90/7,400.53
  6. Step 6: Final answer
    x = 4,078.64

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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.