Home / 4,192.76-6,289.19-1,072.79

Finding the Fourth Proportional to 4,192.76, 6,289.19 and 1,072.79

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Solution

The fourth proportional to 4,192.76, 6,289.19 and 1,072.79 is: 1,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.76 : 6,289.19 = 1,072.79 : x
  2. Step 2: Convert to fraction form
    4,192.76/6,289.19 = 1,072.79/x
  3. Step 3: Cross multiply
    4,192.76x = 6,289.19 × 1,072.79
  4. Step 4: Simplify right side
    4,192.76x = 6,746,943.33
  5. Step 5: Solve for x
    x = 6,746,943.33/4,192.76
  6. Step 6: Final answer
    x = 1,609.19

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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.