Home / 6,663.36-9,996.66-2,765.64

Finding the Fourth Proportional to 6,663.36, 9,996.66 and 2,765.64

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Solution

The fourth proportional to 6,663.36, 9,996.66 and 2,765.64 is: 4,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.36 : 9,996.66 = 2,765.64 : x
  2. Step 2: Convert to fraction form
    6,663.36/9,996.66 = 2,765.64/x
  3. Step 3: Cross multiply
    6,663.36x = 9,996.66 × 2,765.64
  4. Step 4: Simplify right side
    6,663.36x = 27,647,162.76
  5. Step 5: Solve for x
    x = 27,647,162.76/6,663.36
  6. Step 6: Final answer
    x = 4,149.13

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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.