Home / 4,122.04-6,185.78-2,736.92

Finding the Fourth Proportional to 4,122.04, 6,185.78 and 2,736.92

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Solution

The fourth proportional to 4,122.04, 6,185.78 and 2,736.92 is: 4,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.04 : 6,185.78 = 2,736.92 : x
  2. Step 2: Convert to fraction form
    4,122.04/6,185.78 = 2,736.92/x
  3. Step 3: Cross multiply
    4,122.04x = 6,185.78 × 2,736.92
  4. Step 4: Simplify right side
    4,122.04x = 16,929,985.00
  5. Step 5: Solve for x
    x = 16,929,985.00/4,122.04
  6. Step 6: Final answer
    x = 4,107.19

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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.