Home / 5,375.28-8,065.66-2,453.21

Finding the Fourth Proportional to 5,375.28, 8,065.66 and 2,453.21

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Solution

The fourth proportional to 5,375.28, 8,065.66 and 2,453.21 is: 3,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.28 : 8,065.66 = 2,453.21 : x
  2. Step 2: Convert to fraction form
    5,375.28/8,065.66 = 2,453.21/x
  3. Step 3: Cross multiply
    5,375.28x = 8,065.66 × 2,453.21
  4. Step 4: Simplify right side
    5,375.28x = 19,786,757.77
  5. Step 5: Solve for x
    x = 19,786,757.77/5,375.28
  6. Step 6: Final answer
    x = 3,681.07

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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.