Home / 4,112.08-6,167.26-1,921.84

Finding the Fourth Proportional to 4,112.08, 6,167.26 and 1,921.84

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Solution

The fourth proportional to 4,112.08, 6,167.26 and 1,921.84 is: 2,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.08 : 6,167.26 = 1,921.84 : x
  2. Step 2: Convert to fraction form
    4,112.08/6,167.26 = 1,921.84/x
  3. Step 3: Cross multiply
    4,112.08x = 6,167.26 × 1,921.84
  4. Step 4: Simplify right side
    4,112.08x = 11,852,486.96
  5. Step 5: Solve for x
    x = 11,852,486.96/4,112.08
  6. Step 6: Final answer
    x = 2,882.36

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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.