Home / 8,254.19-12,375.81-2,705.60

Finding the Fourth Proportional to 8,254.19, 12,375.81 and 2,705.60

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Solution

The fourth proportional to 8,254.19, 12,375.81 and 2,705.60 is: 4,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.19 : 12,375.81 = 2,705.60 : x
  2. Step 2: Convert to fraction form
    8,254.19/12,375.81 = 2,705.60/x
  3. Step 3: Cross multiply
    8,254.19x = 12,375.81 × 2,705.60
  4. Step 4: Simplify right side
    8,254.19x = 33,484,022.48
  5. Step 5: Solve for x
    x = 33,484,022.48/8,254.19
  6. Step 6: Final answer
    x = 4,056.61

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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.