Home / 5,520-8,282.28-2,235.44

Finding the Fourth Proportional to 5,520, 8,282.28 and 2,235.44

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Solution

The fourth proportional to 5,520, 8,282.28 and 2,235.44 is: 3,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520 : 8,282.28 = 2,235.44 : x
  2. Step 2: Convert to fraction form
    5,520/8,282.28 = 2,235.44/x
  3. Step 3: Cross multiply
    5,520x = 8,282.28 × 2,235.44
  4. Step 4: Simplify right side
    5,520x = 18,514,540.00
  5. Step 5: Solve for x
    x = 18,514,540.00/5,520
  6. Step 6: Final answer
    x = 3,354.08

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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.