Home / 4,145.76-6,225.12-3,961.08

Finding the Fourth Proportional to 4,145.76, 6,225.12 and 3,961.08

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Solution

The fourth proportional to 4,145.76, 6,225.12 and 3,961.08 is: 5,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.76 : 6,225.12 = 3,961.08 : x
  2. Step 2: Convert to fraction form
    4,145.76/6,225.12 = 3,961.08/x
  3. Step 3: Cross multiply
    4,145.76x = 6,225.12 × 3,961.08
  4. Step 4: Simplify right side
    4,145.76x = 24,658,198.33
  5. Step 5: Solve for x
    x = 24,658,198.33/4,145.76
  6. Step 6: Final answer
    x = 5,947.81

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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.