Home / 8,682.09-13,023.69-3,487.96

Finding the Fourth Proportional to 8,682.09, 13,023.69 and 3,487.96

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Solution

The fourth proportional to 8,682.09, 13,023.69 and 3,487.96 is: 5,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.09 : 13,023.69 = 3,487.96 : x
  2. Step 2: Convert to fraction form
    8,682.09/13,023.69 = 3,487.96/x
  3. Step 3: Cross multiply
    8,682.09x = 13,023.69 × 3,487.96
  4. Step 4: Simplify right side
    8,682.09x = 45,426,109.77
  5. Step 5: Solve for x
    x = 45,426,109.77/8,682.09
  6. Step 6: Final answer
    x = 5,232.16

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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.