Home / 6,278.20-9,416.94-2,382.28

Finding the Fourth Proportional to 6,278.20, 9,416.94 and 2,382.28

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Solution

The fourth proportional to 6,278.20, 9,416.94 and 2,382.28 is: 3,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.20 : 9,416.94 = 2,382.28 : x
  2. Step 2: Convert to fraction form
    6,278.20/9,416.94 = 2,382.28/x
  3. Step 3: Cross multiply
    6,278.20x = 9,416.94 × 2,382.28
  4. Step 4: Simplify right side
    6,278.20x = 22,433,787.82
  5. Step 5: Solve for x
    x = 22,433,787.82/6,278.20
  6. Step 6: Final answer
    x = 3,573.28

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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.