Home / 6,620.52-9,136.58-3,636.33

Finding the Fourth Proportional to 6,620.52, 9,136.58 and 3,636.33

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Solution

The fourth proportional to 6,620.52, 9,136.58 and 3,636.33 is: 5,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.52 : 9,136.58 = 3,636.33 : x
  2. Step 2: Convert to fraction form
    6,620.52/9,136.58 = 3,636.33/x
  3. Step 3: Cross multiply
    6,620.52x = 9,136.58 × 3,636.33
  4. Step 4: Simplify right side
    6,620.52x = 33,223,601.77
  5. Step 5: Solve for x
    x = 33,223,601.77/6,620.52
  6. Step 6: Final answer
    x = 5,018.28

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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.