Home / 4,185.38-6,278.12-1,263.71

Finding the Fourth Proportional to 4,185.38, 6,278.12 and 1,263.71

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Solution

The fourth proportional to 4,185.38, 6,278.12 and 1,263.71 is: 1,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.38 : 6,278.12 = 1,263.71 : x
  2. Step 2: Convert to fraction form
    4,185.38/6,278.12 = 1,263.71/x
  3. Step 3: Cross multiply
    4,185.38x = 6,278.12 × 1,263.71
  4. Step 4: Simplify right side
    4,185.38x = 7,933,723.03
  5. Step 5: Solve for x
    x = 7,933,723.03/4,185.38
  6. Step 6: Final answer
    x = 1,895.58

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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.