Home / 6,626.82-9,145.08-3,642.78

Finding the Fourth Proportional to 6,626.82, 9,145.08 and 3,642.78

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Solution

The fourth proportional to 6,626.82, 9,145.08 and 3,642.78 is: 5,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.82 : 9,145.08 = 3,642.78 : x
  2. Step 2: Convert to fraction form
    6,626.82/9,145.08 = 3,642.78/x
  3. Step 3: Cross multiply
    6,626.82x = 9,145.08 × 3,642.78
  4. Step 4: Simplify right side
    6,626.82x = 33,313,514.52
  5. Step 5: Solve for x
    x = 33,313,514.52/6,626.82
  6. Step 6: Final answer
    x = 5,027.07

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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.