Home / 4,944.26-6,821.78-3,178.28

Finding the Fourth Proportional to 4,944.26, 6,821.78 and 3,178.28

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Solution

The fourth proportional to 4,944.26, 6,821.78 and 3,178.28 is: 4,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.26 : 6,821.78 = 3,178.28 : x
  2. Step 2: Convert to fraction form
    4,944.26/6,821.78 = 3,178.28/x
  3. Step 3: Cross multiply
    4,944.26x = 6,821.78 × 3,178.28
  4. Step 4: Simplify right side
    4,944.26x = 21,681,526.94
  5. Step 5: Solve for x
    x = 21,681,526.94/4,944.26
  6. Step 6: Final answer
    x = 4,385.19

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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.