Home / 5,181.08-7,149.64-2,942.66

Finding the Fourth Proportional to 5,181.08, 7,149.64 and 2,942.66

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Solution

The fourth proportional to 5,181.08, 7,149.64 and 2,942.66 is: 4,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.08 : 7,149.64 = 2,942.66 : x
  2. Step 2: Convert to fraction form
    5,181.08/7,149.64 = 2,942.66/x
  3. Step 3: Cross multiply
    5,181.08x = 7,149.64 × 2,942.66
  4. Step 4: Simplify right side
    5,181.08x = 21,038,989.08
  5. Step 5: Solve for x
    x = 21,038,989.08/5,181.08
  6. Step 6: Final answer
    x = 4,060.73

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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.