Home / 8,181.56-11,286.96-5,528

Finding the Fourth Proportional to 8,181.56, 11,286.96 and 5,528

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Solution

The fourth proportional to 8,181.56, 11,286.96 and 5,528 is: 7,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.56 : 11,286.96 = 5,528 : x
  2. Step 2: Convert to fraction form
    8,181.56/11,286.96 = 5,528/x
  3. Step 3: Cross multiply
    8,181.56x = 11,286.96 × 5,528
  4. Step 4: Simplify right side
    8,181.56x = 62,394,314.88
  5. Step 5: Solve for x
    x = 62,394,314.88/8,181.56
  6. Step 6: Final answer
    x = 7,626.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.