Home / 6,872.39-10,309.60-2,488.82

Finding the Fourth Proportional to 6,872.39, 10,309.60 and 2,488.82

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Solution

The fourth proportional to 6,872.39, 10,309.60 and 2,488.82 is: 3,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.39 : 10,309.60 = 2,488.82 : x
  2. Step 2: Convert to fraction form
    6,872.39/10,309.60 = 2,488.82/x
  3. Step 3: Cross multiply
    6,872.39x = 10,309.60 × 2,488.82
  4. Step 4: Simplify right side
    6,872.39x = 25,658,734.23
  5. Step 5: Solve for x
    x = 25,658,734.23/6,872.39
  6. Step 6: Final answer
    x = 3,733.60

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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.