Home / 8,976.14-13,466.34-2,820.14

Finding the Fourth Proportional to 8,976.14, 13,466.34 and 2,820.14

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Solution

The fourth proportional to 8,976.14, 13,466.34 and 2,820.14 is: 4,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.14 : 13,466.34 = 2,820.14 : x
  2. Step 2: Convert to fraction form
    8,976.14/13,466.34 = 2,820.14/x
  3. Step 3: Cross multiply
    8,976.14x = 13,466.34 × 2,820.14
  4. Step 4: Simplify right side
    8,976.14x = 37,976,964.09
  5. Step 5: Solve for x
    x = 37,976,964.09/8,976.14
  6. Step 6: Final answer
    x = 4,230.88

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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.