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Finding the Fourth Proportional to 8,552.44, 12,830.28 and 2,709.91

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Solution

The fourth proportional to 8,552.44, 12,830.28 and 2,709.91 is: 4,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.44 : 12,830.28 = 2,709.91 : x
  2. Step 2: Convert to fraction form
    8,552.44/12,830.28 = 2,709.91/x
  3. Step 3: Cross multiply
    8,552.44x = 12,830.28 × 2,709.91
  4. Step 4: Simplify right side
    8,552.44x = 34,768,904.07
  5. Step 5: Solve for x
    x = 34,768,904.07/8,552.44
  6. Step 6: Final answer
    x = 4,065.38

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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.