Home / 9,268.36-13,900.86-3,721.48

Finding the Fourth Proportional to 9,268.36, 13,900.86 and 3,721.48

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Solution

The fourth proportional to 9,268.36, 13,900.86 and 3,721.48 is: 5,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.36 : 13,900.86 = 3,721.48 : x
  2. Step 2: Convert to fraction form
    9,268.36/13,900.86 = 3,721.48/x
  3. Step 3: Cross multiply
    9,268.36x = 13,900.86 × 3,721.48
  4. Step 4: Simplify right side
    9,268.36x = 51,731,772.47
  5. Step 5: Solve for x
    x = 51,731,772.47/9,268.36
  6. Step 6: Final answer
    x = 5,581.55

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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.