Home / 4,182.88-6,278.86-3,145.84

Finding the Fourth Proportional to 4,182.88, 6,278.86 and 3,145.84

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Solution

The fourth proportional to 4,182.88, 6,278.86 and 3,145.84 is: 4,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.88 : 6,278.86 = 3,145.84 : x
  2. Step 2: Convert to fraction form
    4,182.88/6,278.86 = 3,145.84/x
  3. Step 3: Cross multiply
    4,182.88x = 6,278.86 × 3,145.84
  4. Step 4: Simplify right side
    4,182.88x = 19,752,288.94
  5. Step 5: Solve for x
    x = 19,752,288.94/4,182.88
  6. Step 6: Final answer
    x = 4,722.17

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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.