Home / 4,142.91-6,214.39-1,677.78

Finding the Fourth Proportional to 4,142.91, 6,214.39 and 1,677.78

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Solution

The fourth proportional to 4,142.91, 6,214.39 and 1,677.78 is: 2,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.91 : 6,214.39 = 1,677.78 : x
  2. Step 2: Convert to fraction form
    4,142.91/6,214.39 = 1,677.78/x
  3. Step 3: Cross multiply
    4,142.91x = 6,214.39 × 1,677.78
  4. Step 4: Simplify right side
    4,142.91x = 10,426,375.06
  5. Step 5: Solve for x
    x = 10,426,375.06/4,142.91
  6. Step 6: Final answer
    x = 2,516.68

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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.