Home / 8,707.96-13,061.94-3,161.62

Finding the Fourth Proportional to 8,707.96, 13,061.94 and 3,161.62

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Solution

The fourth proportional to 8,707.96, 13,061.94 and 3,161.62 is: 4,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.96 : 13,061.94 = 3,161.62 : x
  2. Step 2: Convert to fraction form
    8,707.96/13,061.94 = 3,161.62/x
  3. Step 3: Cross multiply
    8,707.96x = 13,061.94 × 3,161.62
  4. Step 4: Simplify right side
    8,707.96x = 41,296,890.74
  5. Step 5: Solve for x
    x = 41,296,890.74/8,707.96
  6. Step 6: Final answer
    x = 4,742.43

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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.