Home / 5,071.22-6,995.85-3,181.85

Finding the Fourth Proportional to 5,071.22, 6,995.85 and 3,181.85

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Solution

The fourth proportional to 5,071.22, 6,995.85 and 3,181.85 is: 4,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.22 : 6,995.85 = 3,181.85 : x
  2. Step 2: Convert to fraction form
    5,071.22/6,995.85 = 3,181.85/x
  3. Step 3: Cross multiply
    5,071.22x = 6,995.85 × 3,181.85
  4. Step 4: Simplify right side
    5,071.22x = 22,259,745.32
  5. Step 5: Solve for x
    x = 22,259,745.32/5,071.22
  6. Step 6: Final answer
    x = 4,389.43

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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.