Home / 7,717.19-11,575.76-2,786.83

Finding the Fourth Proportional to 7,717.19, 11,575.76 and 2,786.83

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Solution

The fourth proportional to 7,717.19, 11,575.76 and 2,786.83 is: 4,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.19 : 11,575.76 = 2,786.83 : x
  2. Step 2: Convert to fraction form
    7,717.19/11,575.76 = 2,786.83/x
  3. Step 3: Cross multiply
    7,717.19x = 11,575.76 × 2,786.83
  4. Step 4: Simplify right side
    7,717.19x = 32,259,675.24
  5. Step 5: Solve for x
    x = 32,259,675.24/7,717.19
  6. Step 6: Final answer
    x = 4,180.24

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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.