Home / 4,139.89-6,212.33-1,799.87

Finding the Fourth Proportional to 4,139.89, 6,212.33 and 1,799.87

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Solution

The fourth proportional to 4,139.89, 6,212.33 and 1,799.87 is: 2,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.89 : 6,212.33 = 1,799.87 : x
  2. Step 2: Convert to fraction form
    4,139.89/6,212.33 = 1,799.87/x
  3. Step 3: Cross multiply
    4,139.89x = 6,212.33 × 1,799.87
  4. Step 4: Simplify right side
    4,139.89x = 11,181,353.09
  5. Step 5: Solve for x
    x = 11,181,353.09/4,139.89
  6. Step 6: Final answer
    x = 2,700.88

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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.