Home / 8,754.30-13,128.42-2,512.62

Finding the Fourth Proportional to 8,754.30, 13,128.42 and 2,512.62

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Solution

The fourth proportional to 8,754.30, 13,128.42 and 2,512.62 is: 3,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.30 : 13,128.42 = 2,512.62 : x
  2. Step 2: Convert to fraction form
    8,754.30/13,128.42 = 2,512.62/x
  3. Step 3: Cross multiply
    8,754.30x = 13,128.42 × 2,512.62
  4. Step 4: Simplify right side
    8,754.30x = 32,986,730.66
  5. Step 5: Solve for x
    x = 32,986,730.66/8,754.30
  6. Step 6: Final answer
    x = 3,768.06

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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.