Home / 9,090.75-13,628.73-3,900.27

Finding the Fourth Proportional to 9,090.75, 13,628.73 and 3,900.27

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Solution

The fourth proportional to 9,090.75, 13,628.73 and 3,900.27 is: 5,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.75 : 13,628.73 = 3,900.27 : x
  2. Step 2: Convert to fraction form
    9,090.75/13,628.73 = 3,900.27/x
  3. Step 3: Cross multiply
    9,090.75x = 13,628.73 × 3,900.27
  4. Step 4: Simplify right side
    9,090.75x = 53,155,726.76
  5. Step 5: Solve for x
    x = 53,155,726.76/9,090.75
  6. Step 6: Final answer
    x = 5,847.23

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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.