Home / 5,106.39-7,659.57-2,028.39

Finding the Fourth Proportional to 5,106.39, 7,659.57 and 2,028.39

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Solution

The fourth proportional to 5,106.39, 7,659.57 and 2,028.39 is: 3,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.39 : 7,659.57 = 2,028.39 : x
  2. Step 2: Convert to fraction form
    5,106.39/7,659.57 = 2,028.39/x
  3. Step 3: Cross multiply
    5,106.39x = 7,659.57 × 2,028.39
  4. Step 4: Simplify right side
    5,106.39x = 15,536,595.19
  5. Step 5: Solve for x
    x = 15,536,595.19/5,106.39
  6. Step 6: Final answer
    x = 3,042.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.