Home / 5,119.86-7,673.40-2,194.77

Finding the Fourth Proportional to 5,119.86, 7,673.40 and 2,194.77

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Solution

The fourth proportional to 5,119.86, 7,673.40 and 2,194.77 is: 3,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.86 : 7,673.40 = 2,194.77 : x
  2. Step 2: Convert to fraction form
    5,119.86/7,673.40 = 2,194.77/x
  3. Step 3: Cross multiply
    5,119.86x = 7,673.40 × 2,194.77
  4. Step 4: Simplify right side
    5,119.86x = 16,841,348.12
  5. Step 5: Solve for x
    x = 16,841,348.12/5,119.86
  6. Step 6: Final answer
    x = 3,289.42

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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.