Home / 9,193.86-13,790.76-3,930.48

Finding the Fourth Proportional to 9,193.86, 13,790.76 and 3,930.48

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Solution

The fourth proportional to 9,193.86, 13,790.76 and 3,930.48 is: 5,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.86 : 13,790.76 = 3,930.48 : x
  2. Step 2: Convert to fraction form
    9,193.86/13,790.76 = 3,930.48/x
  3. Step 3: Cross multiply
    9,193.86x = 13,790.76 × 3,930.48
  4. Step 4: Simplify right side
    9,193.86x = 54,204,306.36
  5. Step 5: Solve for x
    x = 54,204,306.36/9,193.86
  6. Step 6: Final answer
    x = 5,895.71

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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.