Home / 4,634.08-6,949.50-2,787.28

Finding the Fourth Proportional to 4,634.08, 6,949.50 and 2,787.28

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Solution

The fourth proportional to 4,634.08, 6,949.50 and 2,787.28 is: 4,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,634.08 : 6,949.50 = 2,787.28 : x
  2. Step 2: Convert to fraction form
    4,634.08/6,949.50 = 2,787.28/x
  3. Step 3: Cross multiply
    4,634.08x = 6,949.50 × 2,787.28
  4. Step 4: Simplify right side
    4,634.08x = 19,370,202.36
  5. Step 5: Solve for x
    x = 19,370,202.36/4,634.08
  6. Step 6: Final answer
    x = 4,179.95

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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.