Home / 7,725.21-11,587.79-2,794.85

Finding the Fourth Proportional to 7,725.21, 11,587.79 and 2,794.85

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Solution

The fourth proportional to 7,725.21, 11,587.79 and 2,794.85 is: 4,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.21 : 11,587.79 = 2,794.85 : x
  2. Step 2: Convert to fraction form
    7,725.21/11,587.79 = 2,794.85/x
  3. Step 3: Cross multiply
    7,725.21x = 11,587.79 × 2,794.85
  4. Step 4: Simplify right side
    7,725.21x = 32,386,134.88
  5. Step 5: Solve for x
    x = 32,386,134.88/7,725.21
  6. Step 6: Final answer
    x = 4,192.27

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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.