Home / 5,077.97-7,007.58-2,839.84

Finding the Fourth Proportional to 5,077.97, 7,007.58 and 2,839.84

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Solution

The fourth proportional to 5,077.97, 7,007.58 and 2,839.84 is: 3,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.97 : 7,007.58 = 2,839.84 : x
  2. Step 2: Convert to fraction form
    5,077.97/7,007.58 = 2,839.84/x
  3. Step 3: Cross multiply
    5,077.97x = 7,007.58 × 2,839.84
  4. Step 4: Simplify right side
    5,077.97x = 19,900,425.40
  5. Step 5: Solve for x
    x = 19,900,425.40/5,077.97
  6. Step 6: Final answer
    x = 3,918.97

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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.