Home / 8,179.17-11,290.62-5,530.14

Finding the Fourth Proportional to 8,179.17, 11,290.62 and 5,530.14

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Solution

The fourth proportional to 8,179.17, 11,290.62 and 5,530.14 is: 7,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.17 : 11,290.62 = 5,530.14 : x
  2. Step 2: Convert to fraction form
    8,179.17/11,290.62 = 5,530.14/x
  3. Step 3: Cross multiply
    8,179.17x = 11,290.62 × 5,530.14
  4. Step 4: Simplify right side
    8,179.17x = 62,438,709.29
  5. Step 5: Solve for x
    x = 62,438,709.29/8,179.17
  6. Step 6: Final answer
    x = 7,633.87

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1.5x scale

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.