Home / 7,789.74-11,661.93-4,083.18

Finding the Fourth Proportional to 7,789.74, 11,661.93 and 4,083.18

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Solution

The fourth proportional to 7,789.74, 11,661.93 and 4,083.18 is: 6,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.74 : 11,661.93 = 4,083.18 : x
  2. Step 2: Convert to fraction form
    7,789.74/11,661.93 = 4,083.18/x
  3. Step 3: Cross multiply
    7,789.74x = 11,661.93 × 4,083.18
  4. Step 4: Simplify right side
    7,789.74x = 47,617,759.34
  5. Step 5: Solve for x
    x = 47,617,759.34/7,789.74
  6. Step 6: Final answer
    x = 6,112.88

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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.