Home / 6,921.36-10,375.90-2,537.80

Finding the Fourth Proportional to 6,921.36, 10,375.90 and 2,537.80

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Solution

The fourth proportional to 6,921.36, 10,375.90 and 2,537.80 is: 3,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.36 : 10,375.90 = 2,537.80 : x
  2. Step 2: Convert to fraction form
    6,921.36/10,375.90 = 2,537.80/x
  3. Step 3: Cross multiply
    6,921.36x = 10,375.90 × 2,537.80
  4. Step 4: Simplify right side
    6,921.36x = 26,331,926.74
  5. Step 5: Solve for x
    x = 26,331,926.74/6,921.36
  6. Step 6: Final answer
    x = 3,804.44

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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.