Home / 7,288.26-10,057.80-3,976.26

Finding the Fourth Proportional to 7,288.26, 10,057.80 and 3,976.26

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Solution

The fourth proportional to 7,288.26, 10,057.80 and 3,976.26 is: 5,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.26 : 10,057.80 = 3,976.26 : x
  2. Step 2: Convert to fraction form
    7,288.26/10,057.80 = 3,976.26/x
  3. Step 3: Cross multiply
    7,288.26x = 10,057.80 × 3,976.26
  4. Step 4: Simplify right side
    7,288.26x = 39,992,427.83
  5. Step 5: Solve for x
    x = 39,992,427.83/7,288.26
  6. Step 6: Final answer
    x = 5,487.24

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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.