Home / 4,138.92-6,208.38-1,018.94

Finding the Fourth Proportional to 4,138.92, 6,208.38 and 1,018.94

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Solution

The fourth proportional to 4,138.92, 6,208.38 and 1,018.94 is: 1,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.92 : 6,208.38 = 1,018.94 : x
  2. Step 2: Convert to fraction form
    4,138.92/6,208.38 = 1,018.94/x
  3. Step 3: Cross multiply
    4,138.92x = 6,208.38 × 1,018.94
  4. Step 4: Simplify right side
    4,138.92x = 6,325,935.68
  5. Step 5: Solve for x
    x = 6,325,935.68/4,138.92
  6. Step 6: Final answer
    x = 1,528.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.