Home / 5,511.32-8,260.50-2,220.02

Finding the Fourth Proportional to 5,511.32, 8,260.50 and 2,220.02

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Solution

The fourth proportional to 5,511.32, 8,260.50 and 2,220.02 is: 3,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.32 : 8,260.50 = 2,220.02 : x
  2. Step 2: Convert to fraction form
    5,511.32/8,260.50 = 2,220.02/x
  3. Step 3: Cross multiply
    5,511.32x = 8,260.50 × 2,220.02
  4. Step 4: Simplify right side
    5,511.32x = 18,338,475.21
  5. Step 5: Solve for x
    x = 18,338,475.21/5,511.32
  6. Step 6: Final answer
    x = 3,327.42

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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.