Home / 5,145.49-7,721.48-2,682.04

Finding the Fourth Proportional to 5,145.49, 7,721.48 and 2,682.04

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Solution

The fourth proportional to 5,145.49, 7,721.48 and 2,682.04 is: 4,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.49 : 7,721.48 = 2,682.04 : x
  2. Step 2: Convert to fraction form
    5,145.49/7,721.48 = 2,682.04/x
  3. Step 3: Cross multiply
    5,145.49x = 7,721.48 × 2,682.04
  4. Step 4: Simplify right side
    5,145.49x = 20,709,283.30
  5. Step 5: Solve for x
    x = 20,709,283.30/5,145.49
  6. Step 6: Final answer
    x = 4,024.75

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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.