Home / 8,679.96-13,012.65-2,833.38

Finding the Fourth Proportional to 8,679.96, 13,012.65 and 2,833.38

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Solution

The fourth proportional to 8,679.96, 13,012.65 and 2,833.38 is: 4,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.96 : 13,012.65 = 2,833.38 : x
  2. Step 2: Convert to fraction form
    8,679.96/13,012.65 = 2,833.38/x
  3. Step 3: Cross multiply
    8,679.96x = 13,012.65 × 2,833.38
  4. Step 4: Simplify right side
    8,679.96x = 36,869,782.26
  5. Step 5: Solve for x
    x = 36,869,782.26/8,679.96
  6. Step 6: Final answer
    x = 4,247.69

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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.