Home / 5,220.26-7,203.91-2,862.42

Finding the Fourth Proportional to 5,220.26, 7,203.91 and 2,862.42

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Solution

The fourth proportional to 5,220.26, 7,203.91 and 2,862.42 is: 3,950.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.26 : 7,203.91 = 2,862.42 : x
  2. Step 2: Convert to fraction form
    5,220.26/7,203.91 = 2,862.42/x
  3. Step 3: Cross multiply
    5,220.26x = 7,203.91 × 2,862.42
  4. Step 4: Simplify right side
    5,220.26x = 20,620,590.90
  5. Step 5: Solve for x
    x = 20,620,590.90/5,220.26
  6. Step 6: Final answer
    x = 3,950.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.