Home / 6,620.22-9,135.30-3,636.03

Finding the Fourth Proportional to 6,620.22, 9,135.30 and 3,636.03

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Solution

The fourth proportional to 6,620.22, 9,135.30 and 3,636.03 is: 5,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.22 : 9,135.30 = 3,636.03 : x
  2. Step 2: Convert to fraction form
    6,620.22/9,135.30 = 3,636.03/x
  3. Step 3: Cross multiply
    6,620.22x = 9,135.30 × 3,636.03
  4. Step 4: Simplify right side
    6,620.22x = 33,216,224.86
  5. Step 5: Solve for x
    x = 33,216,224.86/6,620.22
  6. Step 6: Final answer
    x = 5,017.39

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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.