Home / 9,313.92-13,940.20-5,090.73

Finding the Fourth Proportional to 9,313.92, 13,940.20 and 5,090.73

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Solution

The fourth proportional to 9,313.92, 13,940.20 and 5,090.73 is: 7,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.92 : 13,940.20 = 5,090.73 : x
  2. Step 2: Convert to fraction form
    9,313.92/13,940.20 = 5,090.73/x
  3. Step 3: Cross multiply
    9,313.92x = 13,940.20 × 5,090.73
  4. Step 4: Simplify right side
    9,313.92x = 70,965,826.85
  5. Step 5: Solve for x
    x = 70,965,826.85/9,313.92
  6. Step 6: Final answer
    x = 7,619.33

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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.