Home / 4,139.29-6,209.97-1,217.62

Finding the Fourth Proportional to 4,139.29, 6,209.97 and 1,217.62

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Solution

The fourth proportional to 4,139.29, 6,209.97 and 1,217.62 is: 1,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.29 : 6,209.97 = 1,217.62 : x
  2. Step 2: Convert to fraction form
    4,139.29/6,209.97 = 1,217.62/x
  3. Step 3: Cross multiply
    4,139.29x = 6,209.97 × 1,217.62
  4. Step 4: Simplify right side
    4,139.29x = 7,561,383.67
  5. Step 5: Solve for x
    x = 7,561,383.67/4,139.29
  6. Step 6: Final answer
    x = 1,826.73

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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.