Home / 5,520.26-8,281.41-1,822.64

Finding the Fourth Proportional to 5,520.26, 8,281.41 and 1,822.64

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Solution

The fourth proportional to 5,520.26, 8,281.41 and 1,822.64 is: 2,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.26 : 8,281.41 = 1,822.64 : x
  2. Step 2: Convert to fraction form
    5,520.26/8,281.41 = 1,822.64/x
  3. Step 3: Cross multiply
    5,520.26x = 8,281.41 × 1,822.64
  4. Step 4: Simplify right side
    5,520.26x = 15,094,029.12
  5. Step 5: Solve for x
    x = 15,094,029.12/5,520.26
  6. Step 6: Final answer
    x = 2,734.30

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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.