Home / 6,245.78-9,365.90-1,862.39

Finding the Fourth Proportional to 6,245.78, 9,365.90 and 1,862.39

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Solution

The fourth proportional to 6,245.78, 9,365.90 and 1,862.39 is: 2,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.78 : 9,365.90 = 1,862.39 : x
  2. Step 2: Convert to fraction form
    6,245.78/9,365.90 = 1,862.39/x
  3. Step 3: Cross multiply
    6,245.78x = 9,365.90 × 1,862.39
  4. Step 4: Simplify right side
    6,245.78x = 17,442,972.60
  5. Step 5: Solve for x
    x = 17,442,972.60/6,245.78
  6. Step 6: Final answer
    x = 2,792.76

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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.