Home / 5,039.37-6,949.68-3,150.35

Finding the Fourth Proportional to 5,039.37, 6,949.68 and 3,150.35

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Solution

The fourth proportional to 5,039.37, 6,949.68 and 3,150.35 is: 4,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.37 : 6,949.68 = 3,150.35 : x
  2. Step 2: Convert to fraction form
    5,039.37/6,949.68 = 3,150.35/x
  3. Step 3: Cross multiply
    5,039.37x = 6,949.68 × 3,150.35
  4. Step 4: Simplify right side
    5,039.37x = 21,893,924.39
  5. Step 5: Solve for x
    x = 21,893,924.39/5,039.37
  6. Step 6: Final answer
    x = 4,344.58

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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.