Home / 8,758.82-13,138.23-5,816.09

Finding the Fourth Proportional to 8,758.82, 13,138.23 and 5,816.09

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Solution

The fourth proportional to 8,758.82, 13,138.23 and 5,816.09 is: 8,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.82 : 13,138.23 = 5,816.09 : x
  2. Step 2: Convert to fraction form
    8,758.82/13,138.23 = 5,816.09/x
  3. Step 3: Cross multiply
    8,758.82x = 13,138.23 × 5,816.09
  4. Step 4: Simplify right side
    8,758.82x = 76,413,062.43
  5. Step 5: Solve for x
    x = 76,413,062.43/8,758.82
  6. Step 6: Final answer
    x = 8,724.13

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1.5x scale

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.