Home / 3,956.49-5,465.75-3,122.73

Finding the Fourth Proportional to 3,956.49, 5,465.75 and 3,122.73

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Solution

The fourth proportional to 3,956.49, 5,465.75 and 3,122.73 is: 4,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.49 : 5,465.75 = 3,122.73 : x
  2. Step 2: Convert to fraction form
    3,956.49/5,465.75 = 3,122.73/x
  3. Step 3: Cross multiply
    3,956.49x = 5,465.75 × 3,122.73
  4. Step 4: Simplify right side
    3,956.49x = 17,068,045.88
  5. Step 5: Solve for x
    x = 17,068,045.88/3,956.49
  6. Step 6: Final answer
    x = 4,313.94

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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.