Home / 4,901.43-6,761.39-3,105.74

Finding the Fourth Proportional to 4,901.43, 6,761.39 and 3,105.74

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Solution

The fourth proportional to 4,901.43, 6,761.39 and 3,105.74 is: 4,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.43 : 6,761.39 = 3,105.74 : x
  2. Step 2: Convert to fraction form
    4,901.43/6,761.39 = 3,105.74/x
  3. Step 3: Cross multiply
    4,901.43x = 6,761.39 × 3,105.74
  4. Step 4: Simplify right side
    4,901.43x = 20,999,103.85
  5. Step 5: Solve for x
    x = 20,999,103.85/4,901.43
  6. Step 6: Final answer
    x = 4,284.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.