Home / 7,288.25-10,057.79-3,976.25

Finding the Fourth Proportional to 7,288.25, 10,057.79 and 3,976.25

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Solution

The fourth proportional to 7,288.25, 10,057.79 and 3,976.25 is: 5,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.25 : 10,057.79 = 3,976.25 : x
  2. Step 2: Convert to fraction form
    7,288.25/10,057.79 = 3,976.25/x
  3. Step 3: Cross multiply
    7,288.25x = 10,057.79 × 3,976.25
  4. Step 4: Simplify right side
    7,288.25x = 39,992,287.49
  5. Step 5: Solve for x
    x = 39,992,287.49/7,288.25
  6. Step 6: Final answer
    x = 5,487.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.