Home / 5,080.34-7,010.61-2,842.22

Finding the Fourth Proportional to 5,080.34, 7,010.61 and 2,842.22

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Solution

The fourth proportional to 5,080.34, 7,010.61 and 2,842.22 is: 3,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.34 : 7,010.61 = 2,842.22 : x
  2. Step 2: Convert to fraction form
    5,080.34/7,010.61 = 2,842.22/x
  3. Step 3: Cross multiply
    5,080.34x = 7,010.61 × 2,842.22
  4. Step 4: Simplify right side
    5,080.34x = 19,925,695.95
  5. Step 5: Solve for x
    x = 19,925,695.95/5,080.34
  6. Step 6: Final answer
    x = 3,922.12

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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.