Home / 6,620.46-9,136.39-3,636.35

Finding the Fourth Proportional to 6,620.46, 9,136.39 and 3,636.35

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Solution

The fourth proportional to 6,620.46, 9,136.39 and 3,636.35 is: 5,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.46 : 9,136.39 = 3,636.35 : x
  2. Step 2: Convert to fraction form
    6,620.46/9,136.39 = 3,636.35/x
  3. Step 3: Cross multiply
    6,620.46x = 9,136.39 × 3,636.35
  4. Step 4: Simplify right side
    6,620.46x = 33,223,111.78
  5. Step 5: Solve for x
    x = 33,223,111.78/6,620.46
  6. Step 6: Final answer
    x = 5,018.25

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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.