Home / 5,241.51-7,862.67-2,120.04

Finding the Fourth Proportional to 5,241.51, 7,862.67 and 2,120.04

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Solution

The fourth proportional to 5,241.51, 7,862.67 and 2,120.04 is: 3,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.51 : 7,862.67 = 2,120.04 : x
  2. Step 2: Convert to fraction form
    5,241.51/7,862.67 = 2,120.04/x
  3. Step 3: Cross multiply
    5,241.51x = 7,862.67 × 2,120.04
  4. Step 4: Simplify right side
    5,241.51x = 16,669,174.91
  5. Step 5: Solve for x
    x = 16,669,174.91/5,241.51
  6. Step 6: Final answer
    x = 3,180.22

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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.