Home / 8,145.54-11,240.91-4,788.42

Finding the Fourth Proportional to 8,145.54, 11,240.91 and 4,788.42

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Solution

The fourth proportional to 8,145.54, 11,240.91 and 4,788.42 is: 6,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.54 : 11,240.91 = 4,788.42 : x
  2. Step 2: Convert to fraction form
    8,145.54/11,240.91 = 4,788.42/x
  3. Step 3: Cross multiply
    8,145.54x = 11,240.91 × 4,788.42
  4. Step 4: Simplify right side
    8,145.54x = 53,826,198.26
  5. Step 5: Solve for x
    x = 53,826,198.26/8,145.54
  6. Step 6: Final answer
    x = 6,608.06

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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.