Home / 4,189.36-6,274.47-1,999.63

Finding the Fourth Proportional to 4,189.36, 6,274.47 and 1,999.63

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Solution

The fourth proportional to 4,189.36, 6,274.47 and 1,999.63 is: 2,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.36 : 6,274.47 = 1,999.63 : x
  2. Step 2: Convert to fraction form
    4,189.36/6,274.47 = 1,999.63/x
  3. Step 3: Cross multiply
    4,189.36x = 6,274.47 × 1,999.63
  4. Step 4: Simplify right side
    4,189.36x = 12,546,618.45
  5. Step 5: Solve for x
    x = 12,546,618.45/4,189.36
  6. Step 6: Final answer
    x = 2,994.88

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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.