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Finding the Fourth Proportional to 8,673.89, 13,014.86 and 2,751.71

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Solution

The fourth proportional to 8,673.89, 13,014.86 and 2,751.71 is: 4,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.89 : 13,014.86 = 2,751.71 : x
  2. Step 2: Convert to fraction form
    8,673.89/13,014.86 = 2,751.71/x
  3. Step 3: Cross multiply
    8,673.89x = 13,014.86 × 2,751.71
  4. Step 4: Simplify right side
    8,673.89x = 35,813,057.06
  5. Step 5: Solve for x
    x = 35,813,057.06/8,673.89
  6. Step 6: Final answer
    x = 4,128.84

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1.5x scale

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.