Home / 5,028.80-7,550.40-3,934.40

Finding the Fourth Proportional to 5,028.80, 7,550.40 and 3,934.40

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Solution

The fourth proportional to 5,028.80, 7,550.40 and 3,934.40 is: 5,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.80 : 7,550.40 = 3,934.40 : x
  2. Step 2: Convert to fraction form
    5,028.80/7,550.40 = 3,934.40/x
  3. Step 3: Cross multiply
    5,028.80x = 7,550.40 × 3,934.40
  4. Step 4: Simplify right side
    5,028.80x = 29,706,293.76
  5. Step 5: Solve for x
    x = 29,706,293.76/5,028.80
  6. Step 6: Final answer
    x = 5,907.23

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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.