Home / 4,112.15-6,167.61-1,920.69

Finding the Fourth Proportional to 4,112.15, 6,167.61 and 1,920.69

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Solution

The fourth proportional to 4,112.15, 6,167.61 and 1,920.69 is: 2,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.15 : 6,167.61 = 1,920.69 : x
  2. Step 2: Convert to fraction form
    4,112.15/6,167.61 = 1,920.69/x
  3. Step 3: Cross multiply
    4,112.15x = 6,167.61 × 1,920.69
  4. Step 4: Simplify right side
    4,112.15x = 11,846,066.85
  5. Step 5: Solve for x
    x = 11,846,066.85/4,112.15
  6. Step 6: Final answer
    x = 2,880.75

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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.