Home / 7,675.32-11,512.98-2,480.79

Finding the Fourth Proportional to 7,675.32, 11,512.98 and 2,480.79

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Solution

The fourth proportional to 7,675.32, 11,512.98 and 2,480.79 is: 3,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.32 : 11,512.98 = 2,480.79 : x
  2. Step 2: Convert to fraction form
    7,675.32/11,512.98 = 2,480.79/x
  3. Step 3: Cross multiply
    7,675.32x = 11,512.98 × 2,480.79
  4. Step 4: Simplify right side
    7,675.32x = 28,561,285.65
  5. Step 5: Solve for x
    x = 28,561,285.65/7,675.32
  6. Step 6: Final answer
    x = 3,721.19

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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.