Home / 8,687.05-13,039.26-4,793.29

Finding the Fourth Proportional to 8,687.05, 13,039.26 and 4,793.29

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Solution

The fourth proportional to 8,687.05, 13,039.26 and 4,793.29 is: 7,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687.05 : 13,039.26 = 4,793.29 : x
  2. Step 2: Convert to fraction form
    8,687.05/13,039.26 = 4,793.29/x
  3. Step 3: Cross multiply
    8,687.05x = 13,039.26 × 4,793.29
  4. Step 4: Simplify right side
    8,687.05x = 62,500,930.60
  5. Step 5: Solve for x
    x = 62,500,930.60/8,687.05
  6. Step 6: Final answer
    x = 7,194.72

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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.