Home / 7,717.34-11,573.60-2,786.34

Finding the Fourth Proportional to 7,717.34, 11,573.60 and 2,786.34

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Solution

The fourth proportional to 7,717.34, 11,573.60 and 2,786.34 is: 4,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.34 : 11,573.60 = 2,786.34 : x
  2. Step 2: Convert to fraction form
    7,717.34/11,573.60 = 2,786.34/x
  3. Step 3: Cross multiply
    7,717.34x = 11,573.60 × 2,786.34
  4. Step 4: Simplify right side
    7,717.34x = 32,247,984.62
  5. Step 5: Solve for x
    x = 32,247,984.62/7,717.34
  6. Step 6: Final answer
    x = 4,178.64

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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.