Home / 4,211.65-5,813.54-2,889.73

Finding the Fourth Proportional to 4,211.65, 5,813.54 and 2,889.73

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Solution

The fourth proportional to 4,211.65, 5,813.54 and 2,889.73 is: 3,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.65 : 5,813.54 = 2,889.73 : x
  2. Step 2: Convert to fraction form
    4,211.65/5,813.54 = 2,889.73/x
  3. Step 3: Cross multiply
    4,211.65x = 5,813.54 × 2,889.73
  4. Step 4: Simplify right side
    4,211.65x = 16,799,560.94
  5. Step 5: Solve for x
    x = 16,799,560.94/4,211.65
  6. Step 6: Final answer
    x = 3,988.83

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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.