Home / 7,695.29-11,538.83-3,993.79

Finding the Fourth Proportional to 7,695.29, 11,538.83 and 3,993.79

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Solution

The fourth proportional to 7,695.29, 11,538.83 and 3,993.79 is: 5,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.29 : 11,538.83 = 3,993.79 : x
  2. Step 2: Convert to fraction form
    7,695.29/11,538.83 = 3,993.79/x
  3. Step 3: Cross multiply
    7,695.29x = 11,538.83 × 3,993.79
  4. Step 4: Simplify right side
    7,695.29x = 46,083,663.87
  5. Step 5: Solve for x
    x = 46,083,663.87/7,695.29
  6. Step 6: Final answer
    x = 5,988.55

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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.