Home / 6,664.55-9,987.11-3,743.69

Finding the Fourth Proportional to 6,664.55, 9,987.11 and 3,743.69

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Solution

The fourth proportional to 6,664.55, 9,987.11 and 3,743.69 is: 5,610.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.55 : 9,987.11 = 3,743.69 : x
  2. Step 2: Convert to fraction form
    6,664.55/9,987.11 = 3,743.69/x
  3. Step 3: Cross multiply
    6,664.55x = 9,987.11 × 3,743.69
  4. Step 4: Simplify right side
    6,664.55x = 37,388,625.12
  5. Step 5: Solve for x
    x = 37,388,625.12/6,664.55
  6. Step 6: Final answer
    x = 5,610.07

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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.