Home / 8,822.18-13,215.97-5,116.63

Finding the Fourth Proportional to 8,822.18, 13,215.97 and 5,116.63

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Solution

The fourth proportional to 8,822.18, 13,215.97 and 5,116.63 is: 7,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.18 : 13,215.97 = 5,116.63 : x
  2. Step 2: Convert to fraction form
    8,822.18/13,215.97 = 5,116.63/x
  3. Step 3: Cross multiply
    8,822.18x = 13,215.97 × 5,116.63
  4. Step 4: Simplify right side
    8,822.18x = 67,621,195.54
  5. Step 5: Solve for x
    x = 67,621,195.54/8,822.18
  6. Step 6: Final answer
    x = 7,664.91

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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.