Home / 5,405.24-8,105.09-2,481

Finding the Fourth Proportional to 5,405.24, 8,105.09 and 2,481

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Solution

The fourth proportional to 5,405.24, 8,105.09 and 2,481 is: 3,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.24 : 8,105.09 = 2,481 : x
  2. Step 2: Convert to fraction form
    5,405.24/8,105.09 = 2,481/x
  3. Step 3: Cross multiply
    5,405.24x = 8,105.09 × 2,481
  4. Step 4: Simplify right side
    5,405.24x = 20,108,715.89
  5. Step 5: Solve for x
    x = 20,108,715.89/5,405.24
  6. Step 6: Final answer
    x = 3,720.23

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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.