Home / 4,382.60-6,567.90-2,817.80

Finding the Fourth Proportional to 4,382.60, 6,567.90 and 2,817.80

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Solution

The fourth proportional to 4,382.60, 6,567.90 and 2,817.80 is: 4,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.60 : 6,567.90 = 2,817.80 : x
  2. Step 2: Convert to fraction form
    4,382.60/6,567.90 = 2,817.80/x
  3. Step 3: Cross multiply
    4,382.60x = 6,567.90 × 2,817.80
  4. Step 4: Simplify right side
    4,382.60x = 18,507,028.62
  5. Step 5: Solve for x
    x = 18,507,028.62/4,382.60
  6. Step 6: Final answer
    x = 4,222.84

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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.