Home / 4,138.50-6,207.70-1,018.55

Finding the Fourth Proportional to 4,138.50, 6,207.70 and 1,018.55

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Solution

The fourth proportional to 4,138.50, 6,207.70 and 1,018.55 is: 1,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.50 : 6,207.70 = 1,018.55 : x
  2. Step 2: Convert to fraction form
    4,138.50/6,207.70 = 1,018.55/x
  3. Step 3: Cross multiply
    4,138.50x = 6,207.70 × 1,018.55
  4. Step 4: Simplify right side
    4,138.50x = 6,322,852.84
  5. Step 5: Solve for x
    x = 6,322,852.84/4,138.50
  6. Step 6: Final answer
    x = 1,527.81

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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.