Home / 4,145.15-5,723.06-3,186.36

Finding the Fourth Proportional to 4,145.15, 5,723.06 and 3,186.36

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Solution

The fourth proportional to 4,145.15, 5,723.06 and 3,186.36 is: 4,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.15 : 5,723.06 = 3,186.36 : x
  2. Step 2: Convert to fraction form
    4,145.15/5,723.06 = 3,186.36/x
  3. Step 3: Cross multiply
    4,145.15x = 5,723.06 × 3,186.36
  4. Step 4: Simplify right side
    4,145.15x = 18,235,725.48
  5. Step 5: Solve for x
    x = 18,235,725.48/4,145.15
  6. Step 6: Final answer
    x = 4,399.29

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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.