Home / 4,527.38-6,786.81-4,121.57

Finding the Fourth Proportional to 4,527.38, 6,786.81 and 4,121.57

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Solution

The fourth proportional to 4,527.38, 6,786.81 and 4,121.57 is: 6,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,527.38 : 6,786.81 = 4,121.57 : x
  2. Step 2: Convert to fraction form
    4,527.38/6,786.81 = 4,121.57/x
  3. Step 3: Cross multiply
    4,527.38x = 6,786.81 × 4,121.57
  4. Step 4: Simplify right side
    4,527.38x = 27,972,278.56
  5. Step 5: Solve for x
    x = 27,972,278.56/4,527.38
  6. Step 6: Final answer
    x = 6,178.48

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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.