Home / 4,839-6,678.64-2,744.36

Finding the Fourth Proportional to 4,839, 6,678.64 and 2,744.36

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Solution

The fourth proportional to 4,839, 6,678.64 and 2,744.36 is: 3,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839 : 6,678.64 = 2,744.36 : x
  2. Step 2: Convert to fraction form
    4,839/6,678.64 = 2,744.36/x
  3. Step 3: Cross multiply
    4,839x = 6,678.64 × 2,744.36
  4. Step 4: Simplify right side
    4,839x = 18,328,592.47
  5. Step 5: Solve for x
    x = 18,328,592.47/4,839
  6. Step 6: Final answer
    x = 3,787.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.