Home / 8,257.82-12,391.14-3,875.32

Finding the Fourth Proportional to 8,257.82, 12,391.14 and 3,875.32

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Solution

The fourth proportional to 8,257.82, 12,391.14 and 3,875.32 is: 5,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.82 : 12,391.14 = 3,875.32 : x
  2. Step 2: Convert to fraction form
    8,257.82/12,391.14 = 3,875.32/x
  3. Step 3: Cross multiply
    8,257.82x = 12,391.14 × 3,875.32
  4. Step 4: Simplify right side
    8,257.82x = 48,019,570.71
  5. Step 5: Solve for x
    x = 48,019,570.71/8,257.82
  6. Step 6: Final answer
    x = 5,815.04

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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.