Home / 5,719.71-8,578.37-1,614.75

Finding the Fourth Proportional to 5,719.71, 8,578.37 and 1,614.75

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Solution

The fourth proportional to 5,719.71, 8,578.37 and 1,614.75 is: 2,421.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.71 : 8,578.37 = 1,614.75 : x
  2. Step 2: Convert to fraction form
    5,719.71/8,578.37 = 1,614.75/x
  3. Step 3: Cross multiply
    5,719.71x = 8,578.37 × 1,614.75
  4. Step 4: Simplify right side
    5,719.71x = 13,851,914.88
  5. Step 5: Solve for x
    x = 13,851,914.88/5,719.71
  6. Step 6: Final answer
    x = 2,421.79

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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.