Home / 4,189.97-6,276.45-1,965.44

Finding the Fourth Proportional to 4,189.97, 6,276.45 and 1,965.44

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Solution

The fourth proportional to 4,189.97, 6,276.45 and 1,965.44 is: 2,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.97 : 6,276.45 = 1,965.44 : x
  2. Step 2: Convert to fraction form
    4,189.97/6,276.45 = 1,965.44/x
  3. Step 3: Cross multiply
    4,189.97x = 6,276.45 × 1,965.44
  4. Step 4: Simplify right side
    4,189.97x = 12,335,985.89
  5. Step 5: Solve for x
    x = 12,335,985.89/4,189.97
  6. Step 6: Final answer
    x = 2,944.17

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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.