Home / 4,145.24-6,213.48-1,371.20

Finding the Fourth Proportional to 4,145.24, 6,213.48 and 1,371.20

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Solution

The fourth proportional to 4,145.24, 6,213.48 and 1,371.20 is: 2,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.24 : 6,213.48 = 1,371.20 : x
  2. Step 2: Convert to fraction form
    4,145.24/6,213.48 = 1,371.20/x
  3. Step 3: Cross multiply
    4,145.24x = 6,213.48 × 1,371.20
  4. Step 4: Simplify right side
    4,145.24x = 8,519,923.78
  5. Step 5: Solve for x
    x = 8,519,923.78/4,145.24
  6. Step 6: Final answer
    x = 2,055.35

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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.