Home / 4,265.72-6,391.89-2,801.65

Finding the Fourth Proportional to 4,265.72, 6,391.89 and 2,801.65

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Solution

The fourth proportional to 4,265.72, 6,391.89 and 2,801.65 is: 4,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.72 : 6,391.89 = 2,801.65 : x
  2. Step 2: Convert to fraction form
    4,265.72/6,391.89 = 2,801.65/x
  3. Step 3: Cross multiply
    4,265.72x = 6,391.89 × 2,801.65
  4. Step 4: Simplify right side
    4,265.72x = 17,907,838.62
  5. Step 5: Solve for x
    x = 17,907,838.62/4,265.72
  6. Step 6: Final answer
    x = 4,198.08

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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.