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Finding the Fourth Proportional to 5,521.88, 8,284.02 and 2,750.06

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Solution

The fourth proportional to 5,521.88, 8,284.02 and 2,750.06 is: 4,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.88 : 8,284.02 = 2,750.06 : x
  2. Step 2: Convert to fraction form
    5,521.88/8,284.02 = 2,750.06/x
  3. Step 3: Cross multiply
    5,521.88x = 8,284.02 × 2,750.06
  4. Step 4: Simplify right side
    5,521.88x = 22,781,552.04
  5. Step 5: Solve for x
    x = 22,781,552.04/5,521.88
  6. Step 6: Final answer
    x = 4,125.69

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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.