Home / 5,080.13-7,009.66-2,842.03

Finding the Fourth Proportional to 5,080.13, 7,009.66 and 2,842.03

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Solution

The fourth proportional to 5,080.13, 7,009.66 and 2,842.03 is: 3,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.13 : 7,009.66 = 2,842.03 : x
  2. Step 2: Convert to fraction form
    5,080.13/7,009.66 = 2,842.03/x
  3. Step 3: Cross multiply
    5,080.13x = 7,009.66 × 2,842.03
  4. Step 4: Simplify right side
    5,080.13x = 19,921,639.38
  5. Step 5: Solve for x
    x = 19,921,639.38/5,080.13
  6. Step 6: Final answer
    x = 3,921.49

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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.