Home / 6,181.92-8,530.62-3,663.90

Finding the Fourth Proportional to 6,181.92, 8,530.62 and 3,663.90

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Solution

The fourth proportional to 6,181.92, 8,530.62 and 3,663.90 is: 5,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.92 : 8,530.62 = 3,663.90 : x
  2. Step 2: Convert to fraction form
    6,181.92/8,530.62 = 3,663.90/x
  3. Step 3: Cross multiply
    6,181.92x = 8,530.62 × 3,663.90
  4. Step 4: Simplify right side
    6,181.92x = 31,255,338.62
  5. Step 5: Solve for x
    x = 31,255,338.62/6,181.92
  6. Step 6: Final answer
    x = 5,055.93

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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.