Home / 8,727.26-13,091.28-2,487.71

Finding the Fourth Proportional to 8,727.26, 13,091.28 and 2,487.71

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Solution

The fourth proportional to 8,727.26, 13,091.28 and 2,487.71 is: 3,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.26 : 13,091.28 = 2,487.71 : x
  2. Step 2: Convert to fraction form
    8,727.26/13,091.28 = 2,487.71/x
  3. Step 3: Cross multiply
    8,727.26x = 13,091.28 × 2,487.71
  4. Step 4: Simplify right side
    8,727.26x = 32,567,242.71
  5. Step 5: Solve for x
    x = 32,567,242.71/8,727.26
  6. Step 6: Final answer
    x = 3,731.67

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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.