Home / 4,839.90-6,678.86-2,744.42

Finding the Fourth Proportional to 4,839.90, 6,678.86 and 2,744.42

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Solution

The fourth proportional to 4,839.90, 6,678.86 and 2,744.42 is: 3,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.90 : 6,678.86 = 2,744.42 : x
  2. Step 2: Convert to fraction form
    4,839.90/6,678.86 = 2,744.42/x
  3. Step 3: Cross multiply
    4,839.90x = 6,678.86 × 2,744.42
  4. Step 4: Simplify right side
    4,839.90x = 18,329,596.96
  5. Step 5: Solve for x
    x = 18,329,596.96/4,839.90
  6. Step 6: Final answer
    x = 3,787.19

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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.