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Finding the Fourth Proportional to 8,751.81, 13,124.37 and 3,753.72

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Solution

The fourth proportional to 8,751.81, 13,124.37 and 3,753.72 is: 5,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.81 : 13,124.37 = 3,753.72 : x
  2. Step 2: Convert to fraction form
    8,751.81/13,124.37 = 3,753.72/x
  3. Step 3: Cross multiply
    8,751.81x = 13,124.37 × 3,753.72
  4. Step 4: Simplify right side
    8,751.81x = 49,265,210.16
  5. Step 5: Solve for x
    x = 49,265,210.16/8,751.81
  6. Step 6: Final answer
    x = 5,629.15

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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.