Home / 8,727.67-13,095-3,181.42

Finding the Fourth Proportional to 8,727.67, 13,095 and 3,181.42

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Solution

The fourth proportional to 8,727.67, 13,095 and 3,181.42 is: 4,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.67 : 13,095 = 3,181.42 : x
  2. Step 2: Convert to fraction form
    8,727.67/13,095 = 3,181.42/x
  3. Step 3: Cross multiply
    8,727.67x = 13,095 × 3,181.42
  4. Step 4: Simplify right side
    8,727.67x = 41,660,694.90
  5. Step 5: Solve for x
    x = 41,660,694.90/8,727.67
  6. Step 6: Final answer
    x = 4,773.40

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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.