Home / 8,735.30-13,102.99-2,161.47

Finding the Fourth Proportional to 8,735.30, 13,102.99 and 2,161.47

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Solution

The fourth proportional to 8,735.30, 13,102.99 and 2,161.47 is: 3,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.30 : 13,102.99 = 2,161.47 : x
  2. Step 2: Convert to fraction form
    8,735.30/13,102.99 = 2,161.47/x
  3. Step 3: Cross multiply
    8,735.30x = 13,102.99 × 2,161.47
  4. Step 4: Simplify right side
    8,735.30x = 28,321,719.80
  5. Step 5: Solve for x
    x = 28,321,719.80/8,735.30
  6. Step 6: Final answer
    x = 3,242.21

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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.