Home / 8,749.25-13,109.26-6,147.53

Finding the Fourth Proportional to 8,749.25, 13,109.26 and 6,147.53

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Solution

The fourth proportional to 8,749.25, 13,109.26 and 6,147.53 is: 9,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.25 : 13,109.26 = 6,147.53 : x
  2. Step 2: Convert to fraction form
    8,749.25/13,109.26 = 6,147.53/x
  3. Step 3: Cross multiply
    8,749.25x = 13,109.26 × 6,147.53
  4. Step 4: Simplify right side
    8,749.25x = 80,589,488.21
  5. Step 5: Solve for x
    x = 80,589,488.21/8,749.25
  6. Step 6: Final answer
    x = 9,211.02

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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.