Home / 7,775.62-11,670.44-5,270.75

Finding the Fourth Proportional to 7,775.62, 11,670.44 and 5,270.75

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Solution

The fourth proportional to 7,775.62, 11,670.44 and 5,270.75 is: 7,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.62 : 11,670.44 = 5,270.75 : x
  2. Step 2: Convert to fraction form
    7,775.62/11,670.44 = 5,270.75/x
  3. Step 3: Cross multiply
    7,775.62x = 11,670.44 × 5,270.75
  4. Step 4: Simplify right side
    7,775.62x = 61,511,926.45
  5. Step 5: Solve for x
    x = 61,511,926.45/7,775.62
  6. Step 6: Final answer
    x = 7,910.87

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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.