Home / 6,741.89-9,302.31-3,909.73

Finding the Fourth Proportional to 6,741.89, 9,302.31 and 3,909.73

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Solution

The fourth proportional to 6,741.89, 9,302.31 and 3,909.73 is: 5,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.89 : 9,302.31 = 3,909.73 : x
  2. Step 2: Convert to fraction form
    6,741.89/9,302.31 = 3,909.73/x
  3. Step 3: Cross multiply
    6,741.89x = 9,302.31 × 3,909.73
  4. Step 4: Simplify right side
    6,741.89x = 36,369,473.96
  5. Step 5: Solve for x
    x = 36,369,473.96/6,741.89
  6. Step 6: Final answer
    x = 5,394.55

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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.