Home / 5,121.33-7,675.77-2,894.64

Finding the Fourth Proportional to 5,121.33, 7,675.77 and 2,894.64

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Solution

The fourth proportional to 5,121.33, 7,675.77 and 2,894.64 is: 4,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.33 : 7,675.77 = 2,894.64 : x
  2. Step 2: Convert to fraction form
    5,121.33/7,675.77 = 2,894.64/x
  3. Step 3: Cross multiply
    5,121.33x = 7,675.77 × 2,894.64
  4. Step 4: Simplify right side
    5,121.33x = 22,218,590.87
  5. Step 5: Solve for x
    x = 22,218,590.87/5,121.33
  6. Step 6: Final answer
    x = 4,338.44

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1.5x scale

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.