Home / 8,116.64-12,175.28-2,273.76

Finding the Fourth Proportional to 8,116.64, 12,175.28 and 2,273.76

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Solution

The fourth proportional to 8,116.64, 12,175.28 and 2,273.76 is: 3,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.64 : 12,175.28 = 2,273.76 : x
  2. Step 2: Convert to fraction form
    8,116.64/12,175.28 = 2,273.76/x
  3. Step 3: Cross multiply
    8,116.64x = 12,175.28 × 2,273.76
  4. Step 4: Simplify right side
    8,116.64x = 27,683,664.65
  5. Step 5: Solve for x
    x = 27,683,664.65/8,116.64
  6. Step 6: Final answer
    x = 3,410.73

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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.