Home / 7,817.58-11,725.92-2,270.79

Finding the Fourth Proportional to 7,817.58, 11,725.92 and 2,270.79

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Solution

The fourth proportional to 7,817.58, 11,725.92 and 2,270.79 is: 3,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.58 : 11,725.92 = 2,270.79 : x
  2. Step 2: Convert to fraction form
    7,817.58/11,725.92 = 2,270.79/x
  3. Step 3: Cross multiply
    7,817.58x = 11,725.92 × 2,270.79
  4. Step 4: Simplify right side
    7,817.58x = 26,627,101.88
  5. Step 5: Solve for x
    x = 26,627,101.88/7,817.58
  6. Step 6: Final answer
    x = 3,406.05

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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.