Home / 6,387.45-9,587.25-3,927.09

Finding the Fourth Proportional to 6,387.45, 9,587.25 and 3,927.09

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Solution

The fourth proportional to 6,387.45, 9,587.25 and 3,927.09 is: 5,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.45 : 9,587.25 = 3,927.09 : x
  2. Step 2: Convert to fraction form
    6,387.45/9,587.25 = 3,927.09/x
  3. Step 3: Cross multiply
    6,387.45x = 9,587.25 × 3,927.09
  4. Step 4: Simplify right side
    6,387.45x = 37,649,993.60
  5. Step 5: Solve for x
    x = 37,649,993.60/6,387.45
  6. Step 6: Final answer
    x = 5,894.37

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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.