Home / 7,456.75-10,290.33-4,270.09

Finding the Fourth Proportional to 7,456.75, 10,290.33 and 4,270.09

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Solution

The fourth proportional to 7,456.75, 10,290.33 and 4,270.09 is: 5,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.75 : 10,290.33 = 4,270.09 : x
  2. Step 2: Convert to fraction form
    7,456.75/10,290.33 = 4,270.09/x
  3. Step 3: Cross multiply
    7,456.75x = 10,290.33 × 4,270.09
  4. Step 4: Simplify right side
    7,456.75x = 43,940,609.50
  5. Step 5: Solve for x
    x = 43,940,609.50/7,456.75
  6. Step 6: Final answer
    x = 5,892.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.