Home / 5,080.38-7,010.88-2,842.38

Finding the Fourth Proportional to 5,080.38, 7,010.88 and 2,842.38

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Solution

The fourth proportional to 5,080.38, 7,010.88 and 2,842.38 is: 3,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.38 : 7,010.88 = 2,842.38 : x
  2. Step 2: Convert to fraction form
    5,080.38/7,010.88 = 2,842.38/x
  3. Step 3: Cross multiply
    5,080.38x = 7,010.88 × 2,842.38
  4. Step 4: Simplify right side
    5,080.38x = 19,927,585.09
  5. Step 5: Solve for x
    x = 19,927,585.09/5,080.38
  6. Step 6: Final answer
    x = 3,922.46

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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.