Home / 8,749.26-13,121.20-2,507.60

Finding the Fourth Proportional to 8,749.26, 13,121.20 and 2,507.60

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Solution

The fourth proportional to 8,749.26, 13,121.20 and 2,507.60 is: 3,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.26 : 13,121.20 = 2,507.60 : x
  2. Step 2: Convert to fraction form
    8,749.26/13,121.20 = 2,507.60/x
  3. Step 3: Cross multiply
    8,749.26x = 13,121.20 × 2,507.60
  4. Step 4: Simplify right side
    8,749.26x = 32,902,649.25
  5. Step 5: Solve for x
    x = 32,902,649.25/8,749.26
  6. Step 6: Final answer
    x = 3,760.62

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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.