Home / 6,387.38-9,582.51-1,945.44

Finding the Fourth Proportional to 6,387.38, 9,582.51 and 1,945.44

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Solution

The fourth proportional to 6,387.38, 9,582.51 and 1,945.44 is: 2,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.38 : 9,582.51 = 1,945.44 : x
  2. Step 2: Convert to fraction form
    6,387.38/9,582.51 = 1,945.44/x
  3. Step 3: Cross multiply
    6,387.38x = 9,582.51 × 1,945.44
  4. Step 4: Simplify right side
    6,387.38x = 18,642,198.25
  5. Step 5: Solve for x
    x = 18,642,198.25/6,387.38
  6. Step 6: Final answer
    x = 2,918.60

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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.