Home / 8,122.34-12,181.08-2,927

Finding the Fourth Proportional to 8,122.34, 12,181.08 and 2,927

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Solution

The fourth proportional to 8,122.34, 12,181.08 and 2,927 is: 4,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.34 : 12,181.08 = 2,927 : x
  2. Step 2: Convert to fraction form
    8,122.34/12,181.08 = 2,927/x
  3. Step 3: Cross multiply
    8,122.34x = 12,181.08 × 2,927
  4. Step 4: Simplify right side
    8,122.34x = 35,654,021.16
  5. Step 5: Solve for x
    x = 35,654,021.16/8,122.34
  6. Step 6: Final answer
    x = 4,389.62

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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.