Home / 8,833.51-13,245.99-5,136.72

Finding the Fourth Proportional to 8,833.51, 13,245.99 and 5,136.72

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Solution

The fourth proportional to 8,833.51, 13,245.99 and 5,136.72 is: 7,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.51 : 13,245.99 = 5,136.72 : x
  2. Step 2: Convert to fraction form
    8,833.51/13,245.99 = 5,136.72/x
  3. Step 3: Cross multiply
    8,833.51x = 13,245.99 × 5,136.72
  4. Step 4: Simplify right side
    8,833.51x = 68,040,941.75
  5. Step 5: Solve for x
    x = 68,040,941.75/8,833.51
  6. Step 6: Final answer
    x = 7,702.59

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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.