Home / 5,181.10-7,149.87-2,823.22

Finding the Fourth Proportional to 5,181.10, 7,149.87 and 2,823.22

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Solution

The fourth proportional to 5,181.10, 7,149.87 and 2,823.22 is: 3,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.10 : 7,149.87 = 2,823.22 : x
  2. Step 2: Convert to fraction form
    5,181.10/7,149.87 = 2,823.22/x
  3. Step 3: Cross multiply
    5,181.10x = 7,149.87 × 2,823.22
  4. Step 4: Simplify right side
    5,181.10x = 20,185,655.98
  5. Step 5: Solve for x
    x = 20,185,655.98/5,181.10
  6. Step 6: Final answer
    x = 3,896.02

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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.