Home / 7,653.33-11,475.21-3,209.79

Finding the Fourth Proportional to 7,653.33, 11,475.21 and 3,209.79

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Solution

The fourth proportional to 7,653.33, 11,475.21 and 3,209.79 is: 4,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.33 : 11,475.21 = 3,209.79 : x
  2. Step 2: Convert to fraction form
    7,653.33/11,475.21 = 3,209.79/x
  3. Step 3: Cross multiply
    7,653.33x = 11,475.21 × 3,209.79
  4. Step 4: Simplify right side
    7,653.33x = 36,833,014.31
  5. Step 5: Solve for x
    x = 36,833,014.31/7,653.33
  6. Step 6: Final answer
    x = 4,812.68

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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.