Home / 4,725.09-7,086.42-2,869.80

Finding the Fourth Proportional to 4,725.09, 7,086.42 and 2,869.80

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Solution

The fourth proportional to 4,725.09, 7,086.42 and 2,869.80 is: 4,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.09 : 7,086.42 = 2,869.80 : x
  2. Step 2: Convert to fraction form
    4,725.09/7,086.42 = 2,869.80/x
  3. Step 3: Cross multiply
    4,725.09x = 7,086.42 × 2,869.80
  4. Step 4: Simplify right side
    4,725.09x = 20,336,608.12
  5. Step 5: Solve for x
    x = 20,336,608.12/4,725.09
  6. Step 6: Final answer
    x = 4,303.96

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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.