Home / 4,839.12-6,678.45-2,743.38

Finding the Fourth Proportional to 4,839.12, 6,678.45 and 2,743.38

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Solution

The fourth proportional to 4,839.12, 6,678.45 and 2,743.38 is: 3,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.12 : 6,678.45 = 2,743.38 : x
  2. Step 2: Convert to fraction form
    4,839.12/6,678.45 = 2,743.38/x
  3. Step 3: Cross multiply
    4,839.12x = 6,678.45 × 2,743.38
  4. Step 4: Simplify right side
    4,839.12x = 18,321,526.16
  5. Step 5: Solve for x
    x = 18,321,526.16/4,839.12
  6. Step 6: Final answer
    x = 3,786.13

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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.