Home / 4,127.40-5,697.99-3,181.11

Finding the Fourth Proportional to 4,127.40, 5,697.99 and 3,181.11

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Solution

The fourth proportional to 4,127.40, 5,697.99 and 3,181.11 is: 4,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.40 : 5,697.99 = 3,181.11 : x
  2. Step 2: Convert to fraction form
    4,127.40/5,697.99 = 3,181.11/x
  3. Step 3: Cross multiply
    4,127.40x = 5,697.99 × 3,181.11
  4. Step 4: Simplify right side
    4,127.40x = 18,125,932.97
  5. Step 5: Solve for x
    x = 18,125,932.97/4,127.40
  6. Step 6: Final answer
    x = 4,391.61

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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.