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Finding the Fourth Proportional to 8,751.10, 13,125.41 and 2,511.64

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Solution

The fourth proportional to 8,751.10, 13,125.41 and 2,511.64 is: 3,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.10 : 13,125.41 = 2,511.64 : x
  2. Step 2: Convert to fraction form
    8,751.10/13,125.41 = 2,511.64/x
  3. Step 3: Cross multiply
    8,751.10x = 13,125.41 × 2,511.64
  4. Step 4: Simplify right side
    8,751.10x = 32,966,327.46
  5. Step 5: Solve for x
    x = 32,966,327.46/8,751.10
  6. Step 6: Final answer
    x = 3,767.11

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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.