Home / 4,278.40-6,418.64-2,524.88

Finding the Fourth Proportional to 4,278.40, 6,418.64 and 2,524.88

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Solution

The fourth proportional to 4,278.40, 6,418.64 and 2,524.88 is: 3,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.40 : 6,418.64 = 2,524.88 : x
  2. Step 2: Convert to fraction form
    4,278.40/6,418.64 = 2,524.88/x
  3. Step 3: Cross multiply
    4,278.40x = 6,418.64 × 2,524.88
  4. Step 4: Simplify right side
    4,278.40x = 16,206,295.76
  5. Step 5: Solve for x
    x = 16,206,295.76/4,278.40
  6. Step 6: Final answer
    x = 3,787.93

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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.