Home / 8,742.76-13,112.20-2,502.75

Finding the Fourth Proportional to 8,742.76, 13,112.20 and 2,502.75

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Solution

The fourth proportional to 8,742.76, 13,112.20 and 2,502.75 is: 3,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.76 : 13,112.20 = 2,502.75 : x
  2. Step 2: Convert to fraction form
    8,742.76/13,112.20 = 2,502.75/x
  3. Step 3: Cross multiply
    8,742.76x = 13,112.20 × 2,502.75
  4. Step 4: Simplify right side
    8,742.76x = 32,816,544.13
  5. Step 5: Solve for x
    x = 32,816,544.13/8,742.76
  6. Step 6: Final answer
    x = 3,753.57

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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.