Home / 4,891.90-7,335.20-1,727.75

Finding the Fourth Proportional to 4,891.90, 7,335.20 and 1,727.75

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Solution

The fourth proportional to 4,891.90, 7,335.20 and 1,727.75 is: 2,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.90 : 7,335.20 = 1,727.75 : x
  2. Step 2: Convert to fraction form
    4,891.90/7,335.20 = 1,727.75/x
  3. Step 3: Cross multiply
    4,891.90x = 7,335.20 × 1,727.75
  4. Step 4: Simplify right side
    4,891.90x = 12,673,391.80
  5. Step 5: Solve for x
    x = 12,673,391.80/4,891.90
  6. Step 6: Final answer
    x = 2,590.69

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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.