Home / 7,721.97-11,581.50-3,769.26

Finding the Fourth Proportional to 7,721.97, 11,581.50 and 3,769.26

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Solution

The fourth proportional to 7,721.97, 11,581.50 and 3,769.26 is: 5,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.97 : 11,581.50 = 3,769.26 : x
  2. Step 2: Convert to fraction form
    7,721.97/11,581.50 = 3,769.26/x
  3. Step 3: Cross multiply
    7,721.97x = 11,581.50 × 3,769.26
  4. Step 4: Simplify right side
    7,721.97x = 43,653,684.69
  5. Step 5: Solve for x
    x = 43,653,684.69/7,721.97
  6. Step 6: Final answer
    x = 5,653.18

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1.5x scale

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.