Home / 7,155.36-10,725.50-3,867.56

Finding the Fourth Proportional to 7,155.36, 10,725.50 and 3,867.56

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Solution

The fourth proportional to 7,155.36, 10,725.50 and 3,867.56 is: 5,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.36 : 10,725.50 = 3,867.56 : x
  2. Step 2: Convert to fraction form
    7,155.36/10,725.50 = 3,867.56/x
  3. Step 3: Cross multiply
    7,155.36x = 10,725.50 × 3,867.56
  4. Step 4: Simplify right side
    7,155.36x = 41,481,514.78
  5. Step 5: Solve for x
    x = 41,481,514.78/7,155.36
  6. Step 6: Final answer
    x = 5,797.26

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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.