Home / 5,080.82-7,010.85-2,842.45

Finding the Fourth Proportional to 5,080.82, 7,010.85 and 2,842.45

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Solution

The fourth proportional to 5,080.82, 7,010.85 and 2,842.45 is: 3,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.82 : 7,010.85 = 2,842.45 : x
  2. Step 2: Convert to fraction form
    5,080.82/7,010.85 = 2,842.45/x
  3. Step 3: Cross multiply
    5,080.82x = 7,010.85 × 2,842.45
  4. Step 4: Simplify right side
    5,080.82x = 19,927,983.71
  5. Step 5: Solve for x
    x = 19,927,983.71/5,080.82
  6. Step 6: Final answer
    x = 3,922.20

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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.