Home / 4,839.26-6,678.05-2,849.90

Finding the Fourth Proportional to 4,839.26, 6,678.05 and 2,849.90

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Solution

The fourth proportional to 4,839.26, 6,678.05 and 2,849.90 is: 3,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.26 : 6,678.05 = 2,849.90 : x
  2. Step 2: Convert to fraction form
    4,839.26/6,678.05 = 2,849.90/x
  3. Step 3: Cross multiply
    4,839.26x = 6,678.05 × 2,849.90
  4. Step 4: Simplify right side
    4,839.26x = 19,031,727.06
  5. Step 5: Solve for x
    x = 19,031,727.06/4,839.26
  6. Step 6: Final answer
    x = 3,932.78

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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.