Home / 4,138.54-6,207.65-1,018.56

Finding the Fourth Proportional to 4,138.54, 6,207.65 and 1,018.56

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Solution

The fourth proportional to 4,138.54, 6,207.65 and 1,018.56 is: 1,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.54 : 6,207.65 = 1,018.56 : x
  2. Step 2: Convert to fraction form
    4,138.54/6,207.65 = 1,018.56/x
  3. Step 3: Cross multiply
    4,138.54x = 6,207.65 × 1,018.56
  4. Step 4: Simplify right side
    4,138.54x = 6,322,863.98
  5. Step 5: Solve for x
    x = 6,322,863.98/4,138.54
  6. Step 6: Final answer
    x = 1,527.80

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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.