Home / 3,867.47-5,788.37-3,521.60

Finding the Fourth Proportional to 3,867.47, 5,788.37 and 3,521.60

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Solution

The fourth proportional to 3,867.47, 5,788.37 and 3,521.60 is: 5,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.47 : 5,788.37 = 3,521.60 : x
  2. Step 2: Convert to fraction form
    3,867.47/5,788.37 = 3,521.60/x
  3. Step 3: Cross multiply
    3,867.47x = 5,788.37 × 3,521.60
  4. Step 4: Simplify right side
    3,867.47x = 20,384,277.24
  5. Step 5: Solve for x
    x = 20,384,277.24/3,867.47
  6. Step 6: Final answer
    x = 5,270.71

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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.