Home / 8,680.68-13,022.24-2,835.81

Finding the Fourth Proportional to 8,680.68, 13,022.24 and 2,835.81

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Solution

The fourth proportional to 8,680.68, 13,022.24 and 2,835.81 is: 4,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.68 : 13,022.24 = 2,835.81 : x
  2. Step 2: Convert to fraction form
    8,680.68/13,022.24 = 2,835.81/x
  3. Step 3: Cross multiply
    8,680.68x = 13,022.24 × 2,835.81
  4. Step 4: Simplify right side
    8,680.68x = 36,928,584.24
  5. Step 5: Solve for x
    x = 36,928,584.24/8,680.68
  6. Step 6: Final answer
    x = 4,254.11

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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.