Home / 7,741.80-11,609.15-2,475.79

Finding the Fourth Proportional to 7,741.80, 11,609.15 and 2,475.79

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Solution

The fourth proportional to 7,741.80, 11,609.15 and 2,475.79 is: 3,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.80 : 11,609.15 = 2,475.79 : x
  2. Step 2: Convert to fraction form
    7,741.80/11,609.15 = 2,475.79/x
  3. Step 3: Cross multiply
    7,741.80x = 11,609.15 × 2,475.79
  4. Step 4: Simplify right side
    7,741.80x = 28,741,817.48
  5. Step 5: Solve for x
    x = 28,741,817.48/7,741.80
  6. Step 6: Final answer
    x = 3,712.55

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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.