Home / 5,080.38-7,010.87-2,842.35

Finding the Fourth Proportional to 5,080.38, 7,010.87 and 2,842.35

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Solution

The fourth proportional to 5,080.38, 7,010.87 and 2,842.35 is: 3,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.38 : 7,010.87 = 2,842.35 : x
  2. Step 2: Convert to fraction form
    5,080.38/7,010.87 = 2,842.35/x
  3. Step 3: Cross multiply
    5,080.38x = 7,010.87 × 2,842.35
  4. Step 4: Simplify right side
    5,080.38x = 19,927,332.13
  5. Step 5: Solve for x
    x = 19,927,332.13/5,080.38
  6. Step 6: Final answer
    x = 3,922.41

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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.