Home / 5,619.92-8,431.80-2,882

Finding the Fourth Proportional to 5,619.92, 8,431.80 and 2,882

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Solution

The fourth proportional to 5,619.92, 8,431.80 and 2,882 is: 4,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.92 : 8,431.80 = 2,882 : x
  2. Step 2: Convert to fraction form
    5,619.92/8,431.80 = 2,882/x
  3. Step 3: Cross multiply
    5,619.92x = 8,431.80 × 2,882
  4. Step 4: Simplify right side
    5,619.92x = 24,300,447.60
  5. Step 5: Solve for x
    x = 24,300,447.60/5,619.92
  6. Step 6: Final answer
    x = 4,323.98

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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.