Home / 8,166.36-11,249.58-5,921.64

Finding the Fourth Proportional to 8,166.36, 11,249.58 and 5,921.64

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Solution

The fourth proportional to 8,166.36, 11,249.58 and 5,921.64 is: 8,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.36 : 11,249.58 = 5,921.64 : x
  2. Step 2: Convert to fraction form
    8,166.36/11,249.58 = 5,921.64/x
  3. Step 3: Cross multiply
    8,166.36x = 11,249.58 × 5,921.64
  4. Step 4: Simplify right side
    8,166.36x = 66,615,962.91
  5. Step 5: Solve for x
    x = 66,615,962.91/8,166.36
  6. Step 6: Final answer
    x = 8,157.36

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Double scale
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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.