Home / 4,634.60-6,948.84-2,787.08

Finding the Fourth Proportional to 4,634.60, 6,948.84 and 2,787.08

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Solution

The fourth proportional to 4,634.60, 6,948.84 and 2,787.08 is: 4,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,634.60 : 6,948.84 = 2,787.08 : x
  2. Step 2: Convert to fraction form
    4,634.60/6,948.84 = 2,787.08/x
  3. Step 3: Cross multiply
    4,634.60x = 6,948.84 × 2,787.08
  4. Step 4: Simplify right side
    4,634.60x = 19,366,972.99
  5. Step 5: Solve for x
    x = 19,366,972.99/4,634.60
  6. Step 6: Final answer
    x = 4,178.78

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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.