Home / 5,181.65-7,150.65-2,823.77

Finding the Fourth Proportional to 5,181.65, 7,150.65 and 2,823.77

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Solution

The fourth proportional to 5,181.65, 7,150.65 and 2,823.77 is: 3,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.65 : 7,150.65 = 2,823.77 : x
  2. Step 2: Convert to fraction form
    5,181.65/7,150.65 = 2,823.77/x
  3. Step 3: Cross multiply
    5,181.65x = 7,150.65 × 2,823.77
  4. Step 4: Simplify right side
    5,181.65x = 20,191,790.95
  5. Step 5: Solve for x
    x = 20,191,790.95/5,181.65
  6. Step 6: Final answer
    x = 3,896.79

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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.