Home / 7,262.72-9,996.48-5,163.20

Finding the Fourth Proportional to 7,262.72, 9,996.48 and 5,163.20

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Solution

The fourth proportional to 7,262.72, 9,996.48 and 5,163.20 is: 7,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.72 : 9,996.48 = 5,163.20 : x
  2. Step 2: Convert to fraction form
    7,262.72/9,996.48 = 5,163.20/x
  3. Step 3: Cross multiply
    7,262.72x = 9,996.48 × 5,163.20
  4. Step 4: Simplify right side
    7,262.72x = 51,613,825.54
  5. Step 5: Solve for x
    x = 51,613,825.54/7,262.72
  6. Step 6: Final answer
    x = 7,106.68

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Half scale
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Similar ratio
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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.