Home / 7,390.24-11,087.43-3,230.62

Finding the Fourth Proportional to 7,390.24, 11,087.43 and 3,230.62

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Solution

The fourth proportional to 7,390.24, 11,087.43 and 3,230.62 is: 4,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.24 : 11,087.43 = 3,230.62 : x
  2. Step 2: Convert to fraction form
    7,390.24/11,087.43 = 3,230.62/x
  3. Step 3: Cross multiply
    7,390.24x = 11,087.43 × 3,230.62
  4. Step 4: Simplify right side
    7,390.24x = 35,819,273.11
  5. Step 5: Solve for x
    x = 35,819,273.11/7,390.24
  6. Step 6: Final answer
    x = 4,846.83

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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.