Home / 8,252.82-12,383.64-3,870.32

Finding the Fourth Proportional to 8,252.82, 12,383.64 and 3,870.32

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Solution

The fourth proportional to 8,252.82, 12,383.64 and 3,870.32 is: 5,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.82 : 12,383.64 = 3,870.32 : x
  2. Step 2: Convert to fraction form
    8,252.82/12,383.64 = 3,870.32/x
  3. Step 3: Cross multiply
    8,252.82x = 12,383.64 × 3,870.32
  4. Step 4: Simplify right side
    8,252.82x = 47,928,587.65
  5. Step 5: Solve for x
    x = 47,928,587.65/8,252.82
  6. Step 6: Final answer
    x = 5,807.54

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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.