Home / 8,181.16-12,271.73-2,634.93

Finding the Fourth Proportional to 8,181.16, 12,271.73 and 2,634.93

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Solution

The fourth proportional to 8,181.16, 12,271.73 and 2,634.93 is: 3,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.16 : 12,271.73 = 2,634.93 : x
  2. Step 2: Convert to fraction form
    8,181.16/12,271.73 = 2,634.93/x
  3. Step 3: Cross multiply
    8,181.16x = 12,271.73 × 2,634.93
  4. Step 4: Simplify right side
    8,181.16x = 32,335,136.35
  5. Step 5: Solve for x
    x = 32,335,136.35/8,181.16
  6. Step 6: Final answer
    x = 3,952.39

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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.