Home / 8,253.32-12,375.92-2,705.64

Finding the Fourth Proportional to 8,253.32, 12,375.92 and 2,705.64

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Solution

The fourth proportional to 8,253.32, 12,375.92 and 2,705.64 is: 4,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.32 : 12,375.92 = 2,705.64 : x
  2. Step 2: Convert to fraction form
    8,253.32/12,375.92 = 2,705.64/x
  3. Step 3: Cross multiply
    8,253.32x = 12,375.92 × 2,705.64
  4. Step 4: Simplify right side
    8,253.32x = 33,484,784.19
  5. Step 5: Solve for x
    x = 33,484,784.19/8,253.32
  6. Step 6: Final answer
    x = 4,057.13

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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.