Home / 4,139.08-5,716.82-3,188.12

Finding the Fourth Proportional to 4,139.08, 5,716.82 and 3,188.12

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Solution

The fourth proportional to 4,139.08, 5,716.82 and 3,188.12 is: 4,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.08 : 5,716.82 = 3,188.12 : x
  2. Step 2: Convert to fraction form
    4,139.08/5,716.82 = 3,188.12/x
  3. Step 3: Cross multiply
    4,139.08x = 5,716.82 × 3,188.12
  4. Step 4: Simplify right side
    4,139.08x = 18,225,908.18
  5. Step 5: Solve for x
    x = 18,225,908.18/4,139.08
  6. Step 6: Final answer
    x = 4,403.37

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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.