Home / 7,739.80-11,606.15-2,473.79

Finding the Fourth Proportional to 7,739.80, 11,606.15 and 2,473.79

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Solution

The fourth proportional to 7,739.80, 11,606.15 and 2,473.79 is: 3,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.80 : 11,606.15 = 2,473.79 : x
  2. Step 2: Convert to fraction form
    7,739.80/11,606.15 = 2,473.79/x
  3. Step 3: Cross multiply
    7,739.80x = 11,606.15 × 2,473.79
  4. Step 4: Simplify right side
    7,739.80x = 28,711,125.96
  5. Step 5: Solve for x
    x = 28,711,125.96/7,739.80
  6. Step 6: Final answer
    x = 3,709.54

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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.