Home / 6,986.54-9,641.23-3,842.73

Finding the Fourth Proportional to 6,986.54, 9,641.23 and 3,842.73

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Solution

The fourth proportional to 6,986.54, 9,641.23 and 3,842.73 is: 5,302.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.54 : 9,641.23 = 3,842.73 : x
  2. Step 2: Convert to fraction form
    6,986.54/9,641.23 = 3,842.73/x
  3. Step 3: Cross multiply
    6,986.54x = 9,641.23 × 3,842.73
  4. Step 4: Simplify right side
    6,986.54x = 37,048,634.15
  5. Step 5: Solve for x
    x = 37,048,634.15/6,986.54
  6. Step 6: Final answer
    x = 5,302.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.