Home / 7,353.21-11,023.62-3,190.09

Finding the Fourth Proportional to 7,353.21, 11,023.62 and 3,190.09

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Solution

The fourth proportional to 7,353.21, 11,023.62 and 3,190.09 is: 4,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.21 : 11,023.62 = 3,190.09 : x
  2. Step 2: Convert to fraction form
    7,353.21/11,023.62 = 3,190.09/x
  3. Step 3: Cross multiply
    7,353.21x = 11,023.62 × 3,190.09
  4. Step 4: Simplify right side
    7,353.21x = 35,166,339.93
  5. Step 5: Solve for x
    x = 35,166,339.93/7,353.21
  6. Step 6: Final answer
    x = 4,782.45

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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.