Home / 5,080.13-7,010.91-2,842.39

Finding the Fourth Proportional to 5,080.13, 7,010.91 and 2,842.39

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Solution

The fourth proportional to 5,080.13, 7,010.91 and 2,842.39 is: 3,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.13 : 7,010.91 = 2,842.39 : x
  2. Step 2: Convert to fraction form
    5,080.13/7,010.91 = 2,842.39/x
  3. Step 3: Cross multiply
    5,080.13x = 7,010.91 × 2,842.39
  4. Step 4: Simplify right side
    5,080.13x = 19,927,691.21
  5. Step 5: Solve for x
    x = 19,927,691.21/5,080.13
  6. Step 6: Final answer
    x = 3,922.68

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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.