Home / 5,079.22-7,009.31-2,841.09

Finding the Fourth Proportional to 5,079.22, 7,009.31 and 2,841.09

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Solution

The fourth proportional to 5,079.22, 7,009.31 and 2,841.09 is: 3,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.22 : 7,009.31 = 2,841.09 : x
  2. Step 2: Convert to fraction form
    5,079.22/7,009.31 = 2,841.09/x
  3. Step 3: Cross multiply
    5,079.22x = 7,009.31 × 2,841.09
  4. Step 4: Simplify right side
    5,079.22x = 19,914,080.55
  5. Step 5: Solve for x
    x = 19,914,080.55/5,079.22
  6. Step 6: Final answer
    x = 3,920.70

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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.